Documentation

rename
Pantonshire 5 years ago
parent 217b0b06a0
commit 4605fd18d5

@ -68,7 +68,7 @@ enum Website {
// Note that we don't need to use an Option anymore!
assert_eq!(Website::unscribe("github.com"), Website::Github);
// Unbelievably, there exist websites other than github and crates.io
// Unbelievably, websites exist other than github and crates.io
assert_eq!(Website::unscribe("stackoverflow.com"), Website::Other("stackoverflow.com".to_owned()));
// We can't scribe to a &'static str anymore, so we use a Cow<'static, str> instead

@ -5,6 +5,7 @@ authors = ["Tom Panton <pantonshire@gmail.com>"]
edition = "2018"
license = "MIT"
repository = "https://github.com/Pantonshire/enumscribe"
readme = "../README.md"
description = "Procedural macros for converting between enums and strings"
[dependencies]

@ -63,15 +63,19 @@
//! }
//!
//! // Note that we don't need to use an Option anymore!
//! assert_eq!(Website::unscribe("github.com"), Website::Github);
//! assert_eq!(Website::unscribe("github.com"),
//! Website::Github);
//!
//! // Unbelievably, there exist websites other than github and crates.io
//! assert_eq!(Website::unscribe("stackoverflow.com"), Website::Other("stackoverflow.com".to_owned()));
//! // Unbelievably, websites exist other than github and crates.io
//! assert_eq!(Website::unscribe("stackoverflow.com"),
//! Website::Other("stackoverflow.com".to_owned()));
//!
//! // We can't scribe to a &'static str anymore, so we use a Cow<'static, str> instead
//! assert_eq!(Website::Github.scribe(), Cow::Borrowed::<'static, str>("github.com"));
//! assert_eq!(Website::Github.scribe(),
//! Cow::Borrowed::<'static, str>("github.com"));
//!
//! assert_eq!(Website::Other("owasp.org".to_owned()).scribe(), Cow::Owned::<'static, str>("owasp.org".to_owned()));
//! assert_eq!(Website::Other("owasp.org".to_owned()).scribe(),
//! Cow::Owned::<'static, str>("owasp.org".to_owned()));
//! ```
//!
//! If you need to, you can use `#[enumscribe(ignore)]` to prevent a variant from being used by
@ -133,9 +137,11 @@
//!
//! let flight_json = r#"{"takeoff":"LHR","landing":"LGW"}"#;
//!
//! assert_eq!(serde_json::to_string(&flight).unwrap(), flight_json.to_owned());
//! assert_eq!(serde_json::to_string(&flight).unwrap(),
//! flight_json.to_owned());
//!
//! assert_eq!(serde_json::from_str::<Flight>(flight_json).unwrap(), flight);
//! assert_eq!(serde_json::from_str::<Flight>(flight_json).unwrap(),
//! flight);
//! ```
//!
//! Here is a table to show which traits you should derive for your enum:
@ -179,7 +185,7 @@ pub trait ScribeStaticStr {
/// Trait for converting an enum to a static string slice, or `None` if the conversion fails.
///
/// Like all of the traits provided by enumscribe, this should not be implemented manually; use
/// `#[derive(ScribeStaticStr)]` provided by the [enumscribe_derive] crate instead.
/// `#[derive(TryScribeStaticStr)]` provided by the [enumscribe_derive] crate instead.
///
/// When deriving this trait, you may specify the string that a particular variant should be
/// converted to by annotating it with `#[enumscribe(str = "foo")]`. If this is omitted, the name
@ -198,7 +204,7 @@ pub trait TryScribeStaticStr {
/// preferred over this trait because it avoids unnecessary allocations.
///
/// Like all of the traits provided by enumscribe, this should not be implemented manually; use
/// `#[derive(ScribeStaticStr)]` provided by the [enumscribe_derive] crate instead.
/// `#[derive(ScribeString)]` provided by the [enumscribe_derive] crate instead.
///
/// This trait can only be used if none of the enum's variants use `ignore`.
pub trait ScribeString {
@ -210,7 +216,7 @@ pub trait ScribeString {
/// allocations.
///
/// Like all of the traits provided by enumscribe, this should not be implemented manually; use
/// `#[derive(ScribeStaticStr)]` provided by the [enumscribe_derive] crate instead.
/// `#[derive(TryScribeString)]` provided by the [enumscribe_derive] crate instead.
pub trait TryScribeString {
fn try_scribe(&self) -> Option<String>;
}
@ -218,7 +224,7 @@ pub trait TryScribeString {
/// Trait for converting an enum to a clone-on-write string.
///
/// Like all of the traits provided by enumscribe, this should not be implemented manually; use
/// `#[derive(ScribeStaticStr)]` provided by the [enumscribe_derive] crate instead.
/// `#[derive(ScribeCowStr)]` provided by the [enumscribe_derive] crate instead.
///
/// When deriving this trait, you may specify the string that a particular variant should be
/// converted to by annotating it with `#[enumscribe(str = "foo")]`. If this is omitted, the name
@ -234,10 +240,10 @@ pub trait ScribeCowStr {
fn scribe(&self) -> Cow<'static, str>;
}
// Trait for converting an enum to a clone-on-write string, or `None` if the conversion fails.
/// Trait for converting an enum to a clone-on-write string, or `None` if the conversion fails.
///
/// Like all of the traits provided by enumscribe, this should not be implemented manually; use
/// `#[derive(ScribeStaticStr)]` provided by the [enumscribe_derive] crate instead.
/// `#[derive(TryScribeCowStr)]` provided by the [enumscribe_derive] crate instead.
///
/// When deriving this trait, you may specify the string that a particular variant should be
/// converted to by annotating it with `#[enumscribe(str = "foo")]`. If this is omitted, the name
@ -253,10 +259,35 @@ pub trait TryScribeCowStr {
fn try_scribe(&self) -> Option<Cow<'static, str>>;
}
/// Trait for converting from a string to an enum.
///
/// Like all of the traits provided by enumscribe, this should not be implemented manually; use
/// `#[derive(Unscribe)]` provided by the [enumscribe_derive] crate instead.
///
/// When deriving this trait, you may specify the string that should map to a particular variant
/// by annotating it with `#[enumscribe(str = "foo")]`. If this is omitted, the name of the variant
/// will be used instead.
///
/// Annotating a variant with `#[enumscribe(case_insensitive)]` will cause case insensitive matching
/// to be used for that variant. If it is omitted, matching will be case sensitive.
///
/// For this trait to be derived, there must be a variant marked with `#[enumscribe(other)]`.
/// If you do not have such a variant, try deriving [TryUnscribe] instead.
pub trait Unscribe: Sized {
fn unscribe(to_unscribe: &str) -> Self;
}
/// Trait for converting from a string to an enum, or `None` if the conversion fails.
///
/// Like all of the traits provided by enumscribe, this should not be implemented manually; use
/// `#[derive(TryUnscribe)]` provided by the [enumscribe_derive] crate instead.
///
/// Annotating a variant with `#[enumscribe(case_insensitive)]` will cause case insensitive matching
/// to be used for that variant. If it is omitted, matching will be case sensitive.
///
/// When deriving this trait, you may specify the string that should map to a particular variant
/// by annotating it with `#[enumscribe(str = "foo")]`. If this is omitted, the name of the variant
/// will be used instead.
pub trait TryUnscribe: Sized {
fn try_unscribe(to_unscribe: &str) -> Option<Self>;
}

@ -5,6 +5,7 @@ authors = ["Tom Panton <pantonshire@gmail.com>"]
edition = "2018"
license = "MIT"
repository = "https://github.com/Pantonshire/enumscribe"
readme = "../README.md"
description = "Procedural macros for converting between enums and strings"
[lib]

@ -1,5 +1,6 @@
//! Derive macros for the traits provided by enumscribe, to help you easily convert your enums
//! to strings and vice-versa.
//! Derive macros for the traits provided by `enumscribe`, to help you easily convert your enums
//! to strings and vice-versa. See the `enumscribe` crate's documentation for information on
//! deriving these traits.
use proc_macro::TokenStream;

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