45 lines
1 KiB
Zig
45 lines
1 KiB
Zig
const std = @import("std");
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const getty = @import("getty");
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const types = @import("../types.zig");
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const Vis = struct {
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pub usingnamespace getty.de.Visitor(
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@This(),
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types.CharOrArrow,
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.{ .visitString = visitString },
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);
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pub fn visitString(
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_: @This(),
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_: ?std.mem.Allocator,
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comptime Deserializer: type,
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input: anytype,
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) Deserializer.Error!types.CharOrArrow {
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if (input.len == 1) {
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return types.CharOrArrow{ .Char = .{ .c = input[0] } };
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}
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return types.CharOrArrow{
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.Direction = std.meta.stringToEnum(types.Direction, input) orelse
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return error.UnknownVariant,
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};
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}
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};
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pub fn is(comptime T: type) bool {
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return T == types.CharOrArrow;
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}
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pub fn Visitor(comptime _: type) type {
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return Vis;
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}
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pub fn deserialize(
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alloc: ?std.mem.Allocator,
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comptime _: type,
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deserializer: anytype,
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visitor: anytype,
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) !@TypeOf(visitor).Value {
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return try deserializer.deserializeString(alloc, visitor);
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}
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