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const std = @import("../std.zig");
const assert = std.debug.assert;
const stringify = @import("stringify.zig").stringify;
const StringifyOptions = @import("stringify.zig").StringifyOptions;
/// Returns a formatter that formats the given value using stringify.
pub fn fmt(value: anytype, options: StringifyOptions) Formatter(@TypeOf(value)) {
return Formatter(@TypeOf(value)){ .value = value, .options = options };
}
/// Formats the given value using stringify.
pub fn Formatter(comptime T: type) type {
return struct {
value: T,
options: StringifyOptions,
pub fn format(self: @This(), writer: *std.io.Writer) std.io.Writer.Error!void {
try stringify(self.value, self.options, writer);
}
};
}
test fmt {
const expectFmt = std.testing.expectFmt;
try expectFmt("123", "{}", .{fmt(@as(u32, 123), .{})});
try expectFmt(
\\{"num":927,"msg":"hello","sub":{"mybool":true}}
, "{}", .{fmt(struct {
num: u32,
msg: []const u8,
sub: struct {
mybool: bool,
},
}{
.num = 927,
.msg = "hello",
.sub = .{ .mybool = true },
}, .{})});
}
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