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Fix ModeParseError message

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This commit is contained in:
Jeong YunWon 2023-02-22 16:52:40 +09:00
parent 1511b6631b
commit 66e3080173
2 changed files with 6 additions and 10 deletions
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8
core/src/mode.rs
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@ -15,18 +15,16 @@ impl std::str::FromStr for Mode {
"exec" => Ok(Mode::Exec), "exec" => Ok(Mode::Exec),
"eval" => Ok(Mode::Eval), "eval" => Ok(Mode::Eval),
"single" => Ok(Mode::Single), "single" => Ok(Mode::Single),
_ => Err(ModeParseError { _priv: () }), _ => Err(ModeParseError(())),
} }
} }
} }
#[derive(Debug)] #[derive(Debug)]
pub struct ModeParseError { pub struct ModeParseError(());
_priv: (),
}
impl std::fmt::Display for ModeParseError { impl std::fmt::Display for ModeParseError {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, r#"mode should be "exec", "eval", or "single""#) write!(f, r#"mode must be "exec", "eval", or "single""#)
} }
} }

8
parser/src/mode.rs
View file

@ -39,19 +39,17 @@ impl std::str::FromStr for Mode {
match s { match s {
"exec" | "single" => Ok(Mode::Module), "exec" | "single" => Ok(Mode::Module),
"eval" => Ok(Mode::Expression), "eval" => Ok(Mode::Expression),
_ => Err(ModeParseError { _priv: () }), _ => Err(ModeParseError(())),
} }
} }
} }
/// Returned when a given mode is not valid. /// Returned when a given mode is not valid.
#[derive(Debug)] #[derive(Debug)]
pub struct ModeParseError { pub struct ModeParseError(());
_priv: (),
}
impl std::fmt::Display for ModeParseError { impl std::fmt::Display for ModeParseError {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result { fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, r#"mode should be "exec", "eval", or "single""#) write!(f, r#"mode must be "exec", "eval", or "single""#)
} }
} }