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Sema: add missing coercion when checking for loop len

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This commit is contained in:
Andrew Kelley
2023-02-18 18:56:37 -07:00
parent 12a7a0d76f
commit 40c4c25e2b
2 changed files with 64 additions and 1 deletions
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62
test/behavior/for.zig
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@@ -397,3 +397,65 @@ test "raw pointer and counter" {
try expect(buf[2] == 'C');
try expect(buf[3] == 'D');
}
test "inline for with slice as the comptime-known" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
const comptime_slice = "hello";
var runtime_i: usize = 3;
const S = struct {
var ok: usize = 0;
fn check(comptime a: u8, b: usize) !void {
if (a == 'l') {
try expect(b == 3);
ok += 1;
} else if (a == 'o') {
try expect(b == 4);
ok += 1;
} else {
@compileError("fail");
}
}
};
inline for (comptime_slice[3..5], runtime_i..5) |a, b| {
try S.check(a, b);
}
try expect(S.ok == 2);
}
test "inline for with counter as the comptime-known" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
var runtime_slice = "hello";
var runtime_i: usize = 3;
const S = struct {
var ok: usize = 0;
fn check(a: u8, comptime b: usize) !void {
if (b == 3) {
try expect(a == 'l');
ok += 1;
} else if (b == 4) {
try expect(a == 'o');
ok += 1;
} else {
@compileError("fail");
}
}
};
inline for (runtime_slice[runtime_i..5], 3..5) |a, b| {
try S.check(a, b);
}
try expect(S.ok == 2);
}