| author |  Matthew Lugg <mlugg@mlugg.co.uk> 2023-11-17 04:46:23+00:00 |
| committer | Matthew Lugg <mlugg@mlugg.co.uk> 2023-11-19 11:11:50+00:00 |
| log | 38b373bf0b78bfe3b332c9fbb115e2ce3e9768d0 |
| tree | eaabd858ec73e51dc44c14176824e863bfd61a54 |
| parent | b35589343894791a48b1423aa6d4a59b4858dfdb |
| signature |  Commit is signed but in an unrecognized format. |
cases: add compile error test for never-mutated local variable
1 files changed, 28 insertions(+), 0 deletions(-)
test- cases
- compile_errors
test/cases/compile_errors/var_never_mutated.zig created+28
| ... | @@ -0,0 +1,28 @@ | ||
| 1 | fn entry0() void { | ||
| 2 | var a: u32 = 1 + 2; | ||
| 3 | _ = a; | ||
| 4 | } | ||
| 5 | |||
| 6 | fn entry1() void { | ||
| 7 | const a: u32 = 1; | ||
| 8 | const b: u32 = 2; | ||
| 9 | var c = a + b; | ||
| 10 | const d = c; | ||
| 11 | _ = d; | ||
| 12 | } | ||
| 13 | |||
| 14 | fn entry2() void { | ||
| 15 | var a: u32 = 123; | ||
| 16 | foo(a); | ||
| 17 | } | ||
| 18 | |||
| 19 | fn foo(_: u32) void {} | ||
| 20 | |||
| 21 | // error | ||
| 22 | // | ||
| 23 | // :2:9: error: local variable is never mutated | ||
| 24 | // :2:9: note: consider using 'const' | ||
| 25 | // :9:9: error: local variable is never mutated | ||
| 26 | // :9:9: note: consider using 'const' | ||
| 27 | // :15:9: error: local variable is never mutated | ||
| 28 | // :15:9: note: consider using 'const' | ||