diff options
Diffstat (limited to 'src/install/semver.zig')
-rw-r--r-- | src/install/semver.zig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/install/semver.zig b/src/install/semver.zig index c92597eff..c9842ed5f 100644 --- a/src/install/semver.zig +++ b/src/install/semver.zig @@ -44,6 +44,19 @@ pub const String = extern struct { }; } + pub inline fn assertDefined(this: *const String) void { + if (comptime !Environment.allow_assert) + return; + + if (this.isUndefined()) @panic("String is undefined"); + } + + pub fn isUndefined(this: *const String) bool { + var num: u64 = undefined; + var bytes = @bitCast(u64, this.bytes); + return @truncate(u63, bytes) == @truncate(u63, num) or @truncate(u63, bytes) == @as(u63, 0); + } + pub const Formatter = struct { str: *const String, buf: string, |