Trait winnow::error::ContextError
source · pub trait ContextError<I, C = &'static str>: Sized {
fn add_context(self, _input: I, _ctx: C) -> Self { ... }
}Expand description
Used by Parser::context to add custom data to error while backtracking
May be implemented multiple times for different kinds of context.
Provided Methods§
sourcefn add_context(self, _input: I, _ctx: C) -> Self
fn add_context(self, _input: I, _ctx: C) -> Self
Append to an existing error custom data
This is used mainly by Parser::context, to add user friendly information
to errors when backtracking through a parse tree