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add(zig-interface): dependency to check interface contracts at comptime
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The described interfaces for `Widget` and `Layout` are now defined and
correspondingly checked at comptime.
This commit is contained in:
Yves Biener
2024-11-12 23:13:35 +01:00
parent 07e4819ecd
commit 28817d468a
8 changed files with 80 additions and 46 deletions
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11
src/layout/Padding.zig
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@@ -11,14 +11,13 @@ const Key = terminal.Key;
const log = std.log.scoped(.layout_padding);
pub fn Layout(comptime Event: type, comptime Renderer: type) type {
pub fn Layout(comptime Event: type, comptime Element: type, comptime Renderer: type) type {
if (!isTaggedUnion(Event)) {
@compileError("Provided user event `Event` for `Layout(comptime Event: type)` is not of type `union(enum)`.");
@compileError("Provided user event `Event` for `Layout(comptime Event: type, comptime Element: type, comptime Renderer: type)` is not of type `union(enum)`.");
}
if (!isTaggedUnion(Element)) {
@compileError("Provided type `Element` for `Layout(comptime Event: type, comptime Element: type, comptime Renderer: type)` is not of type `union(enum)`.");
}
const Element = union(enum) {
layout: @import("../layout.zig").Layout(Event, Renderer),
widget: @import("../widget.zig").Widget(Event, Renderer),
};
const Events = std.ArrayList(Event);
return struct {
size: terminal.Size = undefined,