object GOps
This helper object builds values of Ops[A, B], for fully heterogeneous precedence parsing.
- Source
- SmartOps.scala
- Since
2.2.0
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- GOps
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def
apply[A, B](fixity: Fixity)(ops: Parsley[Op[A, B]]*)(implicit wrap: (A) ⇒ B): Ops[A, B]
This function builds an
Opsobject representing many operators found at the same precedence level, with a given fixity.This function builds an
Opsobject representing many operators found at the same precedence level, with a given fixity.The operators found on the level constructed by this function are heterogeneous: the type of the level below may vary from the types of the values produced at this level. To make this work, a
wrapfunction must be provided that can transform the values from the layer below into the types generated by this layer.Using path-dependent typing, the given fixity describes the shape of the operators expected. For more information see the Parsley wiki.
- A
the base type consumed by the operators.
- B
the type produced/consumed by the operators.
- fixity
the fixity of the operators described.
- ops
The operators themselves, provided variadically.
- wrap
the function which should be used to wrap up a value of type
Awhen required (this will be at right of a left-assoc chain, left of a right-assoc chain, or the root of a prefix/postfix chain).
- Since
2.2.0
- Note
currently a bug in scaladoc incorrect displays this functions type, it should be:
fixity.Op[A, B], NOTOp[A, B].- See also
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