Crate cex_derive 

This crate is the proc-macro implementation for cex crate.

Features

• Result!( OkType throws A,B,... ) which is equivalant to Result<OkType, enumx::Enum!(A,B,...)>

• ret!() Ok Type or Result

• throw!() Error Types listed in throws

• #[ty_pat] match, which enables “using types as patterns in match arms”.

• #[cex] let local_var: pattern = expression;, which enables all the mentioned features in the expression, e.g try blocks.

• #[cex] on closures, which enables all the mentioned features in the closure.

• #[cex] fn, which enables all the mentioned features in the function.

• cex::Logger derive for enum.

See more details in cex crate’s documents.

Macros

Result

Result!() macro

ResultEnvLog

ResultLog

Throws

This is for trait’s associated type that is an error. Don’t use it in cex function signature, use Result!().

ThrowsEnvLog

This is for trait’s associated type that is an error. Don’t use it in cex function signature, use Result!().

ThrowsLog

This is for trait’s associated type that is an error. Don’t use it in cex function signature, use Result!().

Attribute Macros

cex

tag an fn with #[cex] to:

cex_env_log

tag an fn with #[cex_env_log] to:

cex_log

tag an fn with #[cex_log] to:

Derive Macros

Logger

Implements cex::Logger for an enum.