Trait pretty::DocAllocator

pub trait DocAllocator<'a> {
    type Doc: Deref<Target = Doc<'a, Self::Doc>> + Clone;
    fn alloc(&'a self, _: Doc<'a, Self::Doc>) -> Self::Doc;

    fn nil(&'a self) -> DocBuilder<'a, Self> { ... }
    fn newline(&'a self) -> DocBuilder<'a, Self> { ... }
    fn space(&'a self) -> DocBuilder<'a, Self> { ... }
    fn as_string<T: ToString>(&'a self, t: T) -> DocBuilder<'a, Self> { ... }
    fn text<T: Into<Cow<'a, str>>>(&'a self, data: T) -> DocBuilder<'a, Self> { ... }
    fn concat<I>(&'a self, docs: I) -> DocBuilder<'a, Self>
    where
        I: IntoIterator,
        I::Item: Into<Doc<'a, Self::Doc>>,
    { ... }
}

The DocAllocator trait abstracts over a type which can allocate (pointers to) Doc.

Associated Types

type Doc: Deref<Target = Doc<'a, Self::Doc>> + Clone

Required Methods

fn alloc(&'a self, _: Doc<'a, Self::Doc>) -> Self::Doc

Provided Methods

fn nil(&'a self) -> DocBuilder<'a, Self>

fn newline(&'a self) -> DocBuilder<'a, Self>

fn space(&'a self) -> DocBuilder<'a, Self>

fn as_string<T: ToString>(&'a self, t: T) -> DocBuilder<'a, Self>

fn text<T: Into<Cow<'a, str>>>(&'a self, data: T) -> DocBuilder<'a, Self>

fn concat<I>(&'a self, docs: I) -> DocBuilder<'a, Self> where
    I: IntoIterator,
    I::Item: Into<Doc<'a, Self::Doc>>, 

Implementors

• impl<'a> DocAllocator<'a> for Arena<'a> type Doc = RefDoc<'a>;
• impl<'a> DocAllocator<'a> for BoxAllocator type Doc = BoxDoc<'a>;