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Merged
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Feb 11, 2018
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Add lifetime or label to tokens #239

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2 changes: 1 addition & 1 deletion src/expressions/loop-expr.md
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Expand Up @@ -216,4 +216,4 @@ expression `()`.
[_Expression_]: expressions.html
[_BlockExpression_]: expressions/block-expr.html

[LIFETIME_OR_LABEL]: tokens.html#symbols
[LIFETIME_OR_LABEL]: tokens.html#lifetimes-and-loop-labels
13 changes: 12 additions & 1 deletion src/tokens.md
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Expand Up @@ -411,7 +411,7 @@ a single integer literal.
> **<sup>Lexer</sup>**
> FLOAT_LITERAL :
> &nbsp;&nbsp; &nbsp;&nbsp; DEC_LITERAL `.`
> _(not immediately followed by `.`, `_` or an identifier_)
> _(not immediately followed by `.`, `_` or an [identifier]_)
> &nbsp;&nbsp; | DEC_LITERAL FLOAT_EXPONENT
> &nbsp;&nbsp; | DEC_LITERAL `.` DEC_LITERAL FLOAT_EXPONENT<sup>?</sup>
> &nbsp;&nbsp; | DEC_LITERAL (`.` DEC_LITERAL)<sup>?</sup>
Expand Down Expand Up @@ -476,6 +476,16 @@ The representation semantics of floating-point numbers are described in

The two values of the boolean type are written `true` and `false`.

## Lifetimes and loop labels

> **<sup>Lexer</sup>**
> LIFETIME_OR_LABEL:
> &nbsp;&nbsp; &nbsp;&nbsp; `'` [IDENTIFIER][identifier]

Lifetime parameters and [loop labels] both use this syntax.

[loop labels]: expressions/loop-expr.html

## Symbols

Symbols are a general class of printable [tokens] that play structural
Expand All @@ -490,3 +500,4 @@ They are catalogued in [the Symbols section][symbols] of the Grammar document.
[tokens]: #tokens
[symbols]: ../grammar.html#symbols
[keywords]: keywords.html
[identifier]: identifiers.html