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Diffstat (limited to 'src/dotty/tools/dotc/core/Types.scala')
| -rw-r--r-- | src/dotty/tools/dotc/core/Types.scala | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/dotty/tools/dotc/core/Types.scala b/src/dotty/tools/dotc/core/Types.scala index 6dda937d2..a0293d50a 100644 --- a/src/dotty/tools/dotc/core/Types.scala +++ b/src/dotty/tools/dotc/core/Types.scala @@ -685,6 +685,13 @@ object Types { case _ => Nil } + /** The parameter types in the first parameter section of a PolyType or MethodType, Empty list for others */ + final def firstParamTypes: List[Type] = this match { + case mt: MethodType => mt.paramTypes + case pt: PolyType => pt.resultType.firstParamTypes + case _ => Nil + } + /** Is this either not a method at all, or a parameterless method? */ final def isParameterless: Boolean = this match { case mt: MethodType => false |