Skip to content

Can't mix generic and specific literals in match arms #16745

Closed
@mahkoh

Description

@mahkoh

For example

n is_whitespace(b: u8) -> bool {
    match b {
        b' '  => true,
        b'\t' => true,
        b'\n' => true,
        0x0B  => true,
        0x0C  => true,
        b'\r' => true,
        _     => false,
    }
}
mod.rs:166:9: 166:13 error: mismatched types between arms
mod.rs:166         b' '  => true,
                   ^~~~
mod.rs:167:9: 167:14 error: mismatched types between arms
mod.rs:167         b'\t' => true,
                   ^~~~~
mod.rs:168:9: 168:14 error: mismatched types between arms
mod.rs:168         b'\n' => true,
                   ^~~~~
mod.rs:166:9: 166:13 error: mismatched types between arms
mod.rs:166         b' '  => true,
                   ^~~~
mod.rs:167:9: 167:14 error: mismatched types between arms
mod.rs:167         b'\t' => true,
                   ^~~~~
mod.rs:168:9: 168:14 error: mismatched types between arms
mod.rs:168         b'\n' => true,
                   ^~~~~
mod.rs:169:9: 169:13 error: mismatched types between arms
mod.rs:169         0x0B  => true,
                   ^~~~
mod.rs:170:9: 170:13 error: mismatched types between arms
mod.rs:170         0x0C  => true,

Metadata

Metadata

Assignees

No one assigned

    Labels

    A-type-systemArea: Type systemE-needs-testCall for participation: An issue has been fixed and does not reproduce, but no test has been added.

    Type

    No type

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions