Trait TreeLike 

pub trait TreeLike: Sized {
    type Child<'a>: TreeChild<Self>
       where Self: 'a;
    type RefIter<'a>: Iterator<Item = Self::Child<'a>> + TreeChildIter<'a, Self>
       where Self: 'a;

    // Required method
    fn children(&self) -> Option<Self::RefIter<'_>>;

    // Provided methods
    fn dfs(&self) -> Option<DFSIter<'_, Self>> { ... }
    fn bfs(&self) -> Option<BFSIter<'_, Self>> { ... }
    fn bfs_par<'a>(&'a self) -> Option<ParSpliter<BFSIter<'a, Self>>>
       where Self::Child<'a>: Send,
             Self::RefIter<'a>: Send { ... }
    fn dfs_with_close<'a, R, SG, SL, Open: FnMut(&mut SG, Self::Child<'a>) -> Result<DFSContinuation<SL>, R>, Close: FnMut(&mut SG, SL) -> Result<(), R>>(
        &'a self,
        state: &mut SG,
        open: Open,
        close: Close,
    ) -> Result<(), R> { ... }
    fn display_nested<'a>(
        &'a self,
        f: &mut Formatter<'_>,
        open: impl Fn(&Self::Child<'a>, &mut Indentor<'_>, &mut Formatter<'_>) -> Result<DFSContinuation<()>, Error>,
        close: impl Fn(&Self::Child<'a>, &mut Formatter<'_>) -> Result,
        indent: Option<Indentor<'_>>,
    ) -> Result { ... }
    fn display_children<'a, I: Into<Self::RefIter<'a>>>(
        i: I,
        f: &mut Formatter<'_>,
        open: impl Fn(&Self::Child<'a>, &mut Indentor<'_>, &mut Formatter<'_>) -> Result<DFSContinuation<()>, Error>,
        close: impl Fn(&Self::Child<'a>, &mut Formatter<'_>) -> Result,
        indent: Option<Indentor<'_>>,
    ) -> Result
       where Self: 'a { ... }
}

Required Associated Types

type Child<'a>: TreeChild<Self> where Self: 'a

type RefIter<'a>: Iterator<Item = Self::Child<'a>> + TreeChildIter<'a, Self> where Self: 'a

Required Methods

fn children(&self) -> Option<Self::RefIter<'_>>

Provided Methods

fn dfs(&self) -> Option<DFSIter<'_, Self>>

fn bfs(&self) -> Option<BFSIter<'_, Self>>

fn bfs_par<'a>(&'a self) -> Option<ParSpliter<BFSIter<'a, Self>>>

where Self::Child<'a>: Send, Self::RefIter<'a>: Send,

Available on crate feature rayon only.

fn dfs_with_close<'a, R, SG, SL, Open: FnMut(&mut SG, Self::Child<'a>) -> Result<DFSContinuation<SL>, R>, Close: FnMut(&mut SG, SL) -> Result<(), R>>( &'a self, state: &mut SG, open: Open, close: Close, ) -> Result<(), R>

fn display_nested<'a>( &'a self, f: &mut Formatter<'_>, open: impl Fn(&Self::Child<'a>, &mut Indentor<'_>, &mut Formatter<'_>) -> Result<DFSContinuation<()>, Error>, close: impl Fn(&Self::Child<'a>, &mut Formatter<'_>) -> Result, indent: Option<Indentor<'_>>, ) -> Result

fn display_children<'a, I: Into<Self::RefIter<'a>>>( i: I, f: &mut Formatter<'_>, open: impl Fn(&Self::Child<'a>, &mut Indentor<'_>, &mut Formatter<'_>) -> Result<DFSContinuation<()>, Error>, close: impl Fn(&Self::Child<'a>, &mut Formatter<'_>) -> Result, indent: Option<Indentor<'_>>, ) -> Result

where Self: 'a,

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl TreeLike for DirEntry

type Child<'a> = DirEntry

type RefIter<'a> = FilterMap<ReadDir, fn(Result<DirEntry, Error>) -> Option<DirEntry>>

fn children(&self) -> Option<Self::RefIter<'_>>

Implementors