mirror of
https://github.com/fairyglade/ly.git
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Add update function for Label
Signed-off-by: AnErrupTion <anerruption@disroot.org>
This commit is contained in:
AnErrupTion
@@ -1,109 +0,0 @@
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const std = @import("std");
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const Allocator = std.mem.Allocator;
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const Cell = @import("../Cell.zig");
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const Position = @import("../Position.zig");
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const TerminalBuffer = @import("../TerminalBuffer.zig");
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const termbox = TerminalBuffer.termbox;
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const Label = @This();
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text: []const u8,
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max_width: ?usize,
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fg: u32,
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bg: u32,
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is_text_allocated: bool,
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component_pos: Position,
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children_pos: Position,
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pub fn init(
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text: []const u8,
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max_width: ?usize,
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fg: u32,
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bg: u32,
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) Label {
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return .{
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.text = text,
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.max_width = max_width,
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.fg = fg,
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.bg = bg,
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.is_text_allocated = false,
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.component_pos = TerminalBuffer.START_POSITION,
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.children_pos = TerminalBuffer.START_POSITION,
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};
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}
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pub fn setTextAlloc(
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self: *Label,
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allocator: Allocator,
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comptime fmt: []const u8,
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args: anytype,
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) !void {
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self.text = try std.fmt.allocPrint(allocator, fmt, args);
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self.is_text_allocated = true;
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}
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pub fn setTextBuf(
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self: *Label,
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buffer: []u8,
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comptime fmt: []const u8,
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args: anytype,
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) !void {
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self.text = try std.fmt.bufPrint(buffer, fmt, args);
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self.is_text_allocated = false;
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}
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pub fn setText(self: *Label, text: []const u8) void {
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self.text = text;
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self.is_text_allocated = false;
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}
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pub fn deinit(self: Label, allocator: ?Allocator) void {
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if (self.is_text_allocated) {
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if (allocator) |alloc| alloc.free(self.text);
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}
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}
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pub fn positionX(self: *Label, original_pos: Position) void {
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self.component_pos = original_pos;
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self.children_pos = original_pos.addX(self.text.len);
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}
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pub fn positionY(self: *Label, original_pos: Position) void {
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self.component_pos = original_pos;
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self.children_pos = original_pos.addY(1);
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}
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pub fn positionXY(self: *Label, original_pos: Position) void {
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self.component_pos = original_pos;
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self.children_pos = Position.init(
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self.text.len,
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1,
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).add(original_pos);
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}
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pub fn childrenPosition(self: Label) Position {
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return self.children_pos;
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}
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pub fn draw(self: Label) void {
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if (self.max_width) |width| {
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TerminalBuffer.drawConfinedText(
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self.text,
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self.component_pos.x,
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self.component_pos.y,
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width,
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self.fg,
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self.bg,
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);
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return;
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}
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TerminalBuffer.drawText(
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self.text,
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self.component_pos.x,
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self.component_pos.y,
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self.fg,
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self.bg,
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);
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}
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126
src/tui/components/label.zig
Normal file
126
src/tui/components/label.zig
Normal file
@@ -0,0 +1,126 @@
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const std = @import("std");
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const Allocator = std.mem.Allocator;
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const Cell = @import("../Cell.zig");
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const Position = @import("../Position.zig");
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const TerminalBuffer = @import("../TerminalBuffer.zig");
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const termbox = TerminalBuffer.termbox;
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pub fn Label(comptime ContextType: type) type {
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return struct {
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const Self = @This();
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text: []const u8,
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max_width: ?usize,
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fg: u32,
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bg: u32,
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update_fn: ?*const fn (*Self, ContextType) anyerror!void,
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is_text_allocated: bool,
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component_pos: Position,
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children_pos: Position,
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pub fn init(
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text: []const u8,
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max_width: ?usize,
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fg: u32,
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bg: u32,
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update_fn: ?*const fn (*Self, ContextType) anyerror!void,
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) Self {
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return .{
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.text = text,
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.max_width = max_width,
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.fg = fg,
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.bg = bg,
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.update_fn = update_fn,
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.is_text_allocated = false,
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.component_pos = TerminalBuffer.START_POSITION,
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.children_pos = TerminalBuffer.START_POSITION,
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};
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}
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pub fn setTextAlloc(
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self: *Self,
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allocator: Allocator,
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comptime fmt: []const u8,
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args: anytype,
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) !void {
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self.text = try std.fmt.allocPrint(allocator, fmt, args);
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self.is_text_allocated = true;
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}
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pub fn setTextBuf(
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self: *Self,
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buffer: []u8,
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comptime fmt: []const u8,
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args: anytype,
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) !void {
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self.text = try std.fmt.bufPrint(buffer, fmt, args);
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self.is_text_allocated = false;
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}
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pub fn setText(self: *Self, text: []const u8) void {
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self.text = text;
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self.is_text_allocated = false;
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}
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pub fn deinit(self: Self, allocator: ?Allocator) void {
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if (self.is_text_allocated) {
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if (allocator) |alloc| alloc.free(self.text);
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}
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}
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pub fn positionX(self: *Self, original_pos: Position) void {
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self.component_pos = original_pos;
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self.children_pos = original_pos.addX(self.text.len);
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}
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pub fn positionY(self: *Self, original_pos: Position) void {
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self.component_pos = original_pos;
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self.children_pos = original_pos.addY(1);
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}
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pub fn positionXY(self: *Self, original_pos: Position) void {
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self.component_pos = original_pos;
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self.children_pos = Position.init(
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self.text.len,
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1,
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).add(original_pos);
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}
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pub fn childrenPosition(self: Self) Position {
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return self.children_pos;
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}
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pub fn draw(self: Self) void {
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if (self.max_width) |width| {
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TerminalBuffer.drawConfinedText(
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self.text,
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self.component_pos.x,
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self.component_pos.y,
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width,
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self.fg,
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self.bg,
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);
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return;
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}
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TerminalBuffer.drawText(
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self.text,
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self.component_pos.x,
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self.component_pos.y,
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self.fg,
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self.bg,
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);
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}
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pub fn update(self: *Self, context: ContextType) !void {
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if (self.update_fn) |update_fn| {
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return @call(
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.auto,
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update_fn,
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.{ self, context },
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);
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}
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}
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};
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}
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