Crate error_tools
source ·Expand description
§Module :: error_tools
Basic exceptions handling mechanism.
§Basic use-case
ⓘ
#[ cfg( feature = "enabled" ) ]
fn main()
{
let err = f1();
println!( "{err:#?}" );
// < Err(
// < BasicError {
// < msg: "Some error",
// < },
// < )
}
#[ cfg( feature = "enabled" ) ]
fn f1() -> error_tools::Result< () >
{
let _read = std::fs::read_to_string( "Cargo.toml" )?;
Err( error_tools::BasicError::new( "Some error" ).into() )
}
§To add to your project
cargo add error_tools
§Try out from the repository
git clone https://github.com/Wandalen/wTools
cd wTools
cargo run --example error_tools_trivial
Modules§
- Assertions.
- Namespace with dependencies.
- Alias for std::error::BasicError.
- Exposed namespace of the module.
- Exceptions handling mechanism for apps.
- Exceptions handling mechanism for libs.
- Shared with parent namespace of the module
- Prelude to use essentials:
use my_module::prelude::*
. - Protected namespace of the module.
Macros§
- Macro asserts that two expressions are identical to each other. Unlike std::assert_eq it is removed from a release build.
- Macro asserts that two expressions are identical to each other. Unlike std::assert_eq it is removed from a release build. Alias of debug_assert_id.
- Macro asserts that two expressions are not identical to each other. Unlike std::assert_eq it is removed from a release build.
- Macro asserts that two expressions are not identical to each other. Unlike std::assert_eq it is removed from a release build.
- Macro to generate an error descriptor.
- Macro to return an Err( error ) generating error descriptor.
Structs§
- baic implementation of generic BasicError
Traits§
Error
is a trait representing the basic expectations for error values, i.e., values of typeE
inResult<T, E>
.
Type Aliases§
Result<T, Error>