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Impl Into<HookError> for error kinds to convert errors in a simple way

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This commit is contained in:
Matthias Beyer 2016-02-17 19:22:08 +01:00
parent 57831dceb0
commit e1414beb8d
1 changed files with 53 additions and 0 deletions
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53
libimagstore/src/hook.rs
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@ -127,6 +127,59 @@ pub mod error {
}
}
pub trait IntoHookError {
fn into_hookerror(self) -> HookError;
fn into_hookerror_with_cause(self, cause: Box<Error>) -> HookError;
}
impl Into<HookError> for HookErrorKind {
fn into(self) -> HookError {
HookError::new(self, None)
}
}
impl Into<HookError> for (HookErrorKind, Box<Error>) {
fn into(self) -> HookError {
HookError::new(self.0, Some(self.1))
}
}
impl Into<HookError> for PreHookErrorKind {
fn into(self) -> HookError {
HookError::new(HookErrorKind::Pre(self), None)
}
}
impl Into<HookError> for (PreHookErrorKind, Box<Error>) {
fn into(self) -> HookError {
HookError::new(HookErrorKind::Pre(self.0), Some(self.1))
}
}
impl Into<HookError> for PostHookErrorKind {
fn into(self) -> HookError {
HookError::new(HookErrorKind::Post(self), None)
}
}
impl Into<HookError> for (PostHookErrorKind, Box<Error>) {
fn into(self) -> HookError {
HookError::new(HookErrorKind::Post(self.0), Some(self.1))
}
}
fn hook_error_type_as_str(e: &HookErrorKind) -> &'static str {
match e {
_ => "",