pub struct Group { /* fields omitted */ }
A delimited token stream.
A Group
internally contains a TokenStream
which is surrounded by Delimiter
s.
Creates a new Group
with the given delimiter and token stream.
This constructor will set the span for this group to
Span::call_site()
. To change the span you can use the set_span
method below.
Returns the delimiter of this Group
Returns the TokenStream
of tokens that are delimited in this Group
.
Note that the returned token stream does not include the delimiter
returned above.
Returns the span for the delimiters of this token stream, spanning the
entire Group
.
Configures the span for this Group
's delimiters, but not its internal
tokens.
This method will not set the span of all the internal tokens spanned
by this group, but rather it will only set the span of the delimiter
tokens at the level of the Group
.
Performs copy-assignment from source
. Read more
Prints the group as a string that should be losslessly convertible back
into the same group (modulo spans), except for possibly TokenTree::Group
s
with Delimiter::None
delimiters.
Formats the value using the given formatter. Read more
Formats the value using the given formatter. Read more