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Finished creating WalkError.

This commit is contained in:
Tom Alexander 2020-05-09 14:22:36 -04:00
parent f2f6404017
commit 05b56e83a9
Signed by: talexander
GPG Key ID: D3A179C9A53C0EDE
1 changed files with 13 additions and 22 deletions
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35
src/renderer/renderer.rs
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@ -291,52 +291,43 @@ mod tests {
} }
impl<I: ContextElement> Walkable for HashMap<&str, I> { impl<I: ContextElement> Walkable for HashMap<&str, I> {
fn walk(&self, segment: &str) -> Result<&dyn ContextElement, RenderError> { fn walk(&self, segment: &str) -> Result<&dyn ContextElement, WalkError> {
let child = self.get(segment).ok_or(RenderError::CantWalk { let child = self.get(segment).ok_or(WalkError::CantWalk)?;
segment: segment.to_string(),
elem: self,
})?;
Ok(child) Ok(child)
} }
} }
impl Walkable for &str { impl Walkable for &str {
fn walk(&self, segment: &str) -> Result<&dyn ContextElement, RenderError> { fn walk(&self, segment: &str) -> Result<&dyn ContextElement, WalkError> {
Err(RenderError::CantWalk { Err(WalkError::CantWalk)
segment: segment.to_string(),
elem: self,
})
} }
} }
impl Walkable for u32 { impl Walkable for u32 {
fn walk(&self, segment: &str) -> Result<&dyn ContextElement, RenderError> { fn walk(&self, segment: &str) -> Result<&dyn ContextElement, WalkError> {
Err(RenderError::CantWalk { Err(WalkError::CantWalk)
segment: segment.to_string(),
elem: self,
})
} }
} }
impl Loopable for &str { impl Loopable for &str {
fn get_loop_elements(&self) -> Result<Vec<&dyn ContextElement>, RenderError> { fn get_loop_elements(&self) -> Vec<&dyn ContextElement> {
if self.is_empty() { if self.is_empty() {
Ok(Vec::new()) Vec::new()
} else { } else {
Ok(vec![self]) vec![self]
} }
} }
} }
impl Loopable for u32 { impl Loopable for u32 {
fn get_loop_elements(&self) -> Result<Vec<&dyn ContextElement>, RenderError> { fn get_loop_elements(&self) -> Vec<&dyn ContextElement> {
Ok(vec![self]) vec![self]
} }
} }
impl<I: ContextElement> Loopable for HashMap<&str, I> { impl<I: ContextElement> Loopable for HashMap<&str, I> {
fn get_loop_elements(&self) -> Result<Vec<&dyn ContextElement>, RenderError> { fn get_loop_elements(&self) -> Vec<&dyn ContextElement> {
Ok(vec![self]) vec![self]
} }
} }