pkg regexp/syntax, const ErrInvalidPerlOp = "invalid or unsupported Perl syntax"
pkg regexp/syntax, const ErrInvalidRepeatOp = "invalid nested repetition operator"
pkg regexp/syntax, const ErrInvalidRepeatSize = "invalid repeat count"
pkg regexp/syntax, const ErrInvalidUTF8 = "invalid UTF-8"
pkg regexp/syntax, const ErrMissingBracket = "missing closing ]"
pkg regexp/syntax, const ErrMissingParen = "missing closing )"

<p>
When solving type equations from type constraints,
solving one equation may infer additional type arguments,
which in turn may enable solving other equations that depend
on those type arguments.
Type inference repeats type unification as long as new type
arguments are inferred.
</p>

<h3 id="Operators">Operators</h3>

<p>
Operators combine operands into expressions.
</p>

<pre class="ebnf">