diff options
Diffstat (limited to 'tests/ui/match/match-incompat-type-semi.rs')
-rw-r--r-- | tests/ui/match/match-incompat-type-semi.rs | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/tests/ui/match/match-incompat-type-semi.rs b/tests/ui/match/match-incompat-type-semi.rs new file mode 100644 index 000000000..37f6beabd --- /dev/null +++ b/tests/ui/match/match-incompat-type-semi.rs @@ -0,0 +1,52 @@ +// Diagnostic enhancement explained in issue #75418. +// Point at the last statement in the block if there's no tail expression, +// and suggest removing the semicolon if appropriate. + +fn main() { + let _ = match Some(42) { + Some(x) => { + x + }, + None => { + 0; + //~^ ERROR incompatible types + //~| HELP consider removing this semicolon + }, + }; + + let _ = if let Some(x) = Some(42) { + x + } else { + 0; + //~^ ERROR incompatible types + //~| HELP consider removing this semicolon + }; + + let _ = match Some(42) { + Some(x) => { + x + }, + None => { + (); + //~^ ERROR incompatible types + }, + }; + + let _ = match Some(42) { + Some(x) => { + x + }, + None => { //~ ERROR incompatible types + }, + }; + + let _ = match Some(42) { + Some(x) => "rust-lang.org" + .chars() + .skip(1) + .chain(Some(x as u8 as char)) + .take(10) + .any(char::is_alphanumeric), + None => {} //~ ERROR incompatible types + }; +} |