authorgravatar for hello@nektro.netMeghan Denny <hello@nektro.net> 2022-07-14 17:11:10 -07:00
committergravatar for hello@nektro.netMeghan Denny <hello@nektro.net> 2022-07-14 17:11:10 -07:00
logd1b32fbed72c5f00aee812447664948c3eec7006
tree2350fdca79d8aa28555586340d1909ca022c4974
parent0cbac546245ed1445a2892dbca662b632b11eb9f

add ensureFieldSubset

1 files changed, 6 insertions(+), 0 deletions(-)

src/lib.zig+6
...@@ -269,3 +269,9 @@ pub fn positionalInit(comptime T: type, args: FieldsTuple(T)) T {...@@ -269,3 +269,9 @@ pub fn positionalInit(comptime T: type, args: FieldsTuple(T)) T {
269pub fn d2index(d1len: usize, d1: usize, d2: usize) usize {269pub fn d2index(d1len: usize, d1: usize, d2: usize) usize {
270 return (d1len * d2) + d1;270 return (d1len * d2) + d1;
271}271}
272
273pub fn ensureFieldSubset(comptime L: type, comptime R: type) void {
274 for (std.meta.fields(L)) |item| {
275 if (!@hasField(R, item.name)) @compileError(std.fmt.comptimePrint("{s} is missing the {s} field from {s}", .{ R, item.name, L }));
276 }
277}