# Struct proc_macro::TokenTree [−] [src]

    pub struct TokenTree {
        pub span: Span,
        pub kind: TokenNode,
    }

🔬 This is a nightly-only experimental API. (`proc_macro` #38356)

A single token or a delimited sequence of token trees (e.g. `[1, (), ..]`).

## Fields

`span: Span`
🔬 This is a nightly-only experimental API. (`proc_macro` #38356)

The `TokenTree`'s span

`kind: TokenNode`
🔬 This is a nightly-only experimental API. (`proc_macro` #38356)

Description of the `TokenTree`

## Trait Implementations

###

`impl From<TokenTree> for TokenStream`

[src]

####

`fn from(tree: TokenTree) -> TokenStream`

[src]

Performs the conversion.

###

`impl Clone for TokenTree`

[src]

####

`fn clone(&self) -> TokenTree`

[src]

Returns a copy of the value. Read more

####

`fn clone_from(&mut self, source: &Self)`

1.0.0
[src]

Performs copy-assignment from `source`. Read more

###

`impl Debug for TokenTree`

[src]

####

`fn fmt(&self, __arg_0: &mut Formatter) -> Result`

[src]

Formats the value using the given formatter. Read more

###

`impl From<TokenNode> for TokenTree`

[src]

####

`fn from(kind: TokenNode) -> TokenTree`

[src]

Performs the conversion.

###

`impl Display for TokenTree`

[src]

####

`fn fmt(&self, f: &mut Formatter) -> Result`

[src]

Formats the value using the given formatter. Read more

## Auto Trait Implementations

###

`impl !Send for TokenTree`

###

`impl !Sync for TokenTree`

# Help

## Keyboard Shortcuts

`?`
  Show this help dialog
`S`
  Focus the search field
`↑`
  Move up in search results
`↓`
  Move down in search results
`↹`
  Switch tab
`⏎`
  Go to active search result
`+`
  Expand all sections
`-`
  Collapse all sections

## Search Tricks

Prefix searches with a type followed by a colon (e.g. `fn:`) to restrict the search to a given type.

Accepted types are: `fn`, `mod`, `struct`, `enum`, `trait`, `type`, `macro`, and `const`.

Search functions by type signature (e.g. `vec -> usize` or `* -> vec`)