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-rw-r--r-- | compiler/rustc_error_codes/src/error_codes/E0308.md | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/compiler/rustc_error_codes/src/error_codes/E0308.md b/compiler/rustc_error_codes/src/error_codes/E0308.md new file mode 100644 index 000000000..decee6309 --- /dev/null +++ b/compiler/rustc_error_codes/src/error_codes/E0308.md @@ -0,0 +1,26 @@ +Expected type did not match the received type. + +Erroneous code examples: + +```compile_fail,E0308 +fn plus_one(x: i32) -> i32 { + x + 1 +} + +plus_one("Not a number"); +// ^^^^^^^^^^^^^^ expected `i32`, found `&str` + +if "Not a bool" { +// ^^^^^^^^^^^^ expected `bool`, found `&str` +} + +let x: f32 = "Not a float"; +// --- ^^^^^^^^^^^^^ expected `f32`, found `&str` +// | +// expected due to this +``` + +This error occurs when an expression was used in a place where the compiler +expected an expression of a different type. It can occur in several cases, the +most common being when calling a function and passing an argument which has a +different type than the matching type in the function declaration. |