object lift
This module provides the "lift
syntax", which enables a lift
combinator on functions
of arities up to 22, applying the function across the results of several parsers.
- Source
- lift.scala
scala> import parsley.character.char scala> import parsley.implicits.lift.{Lift2, Lift3} scala> case class Add(x: Int, y: Int) scala> val p = Add.lift(char('a').as(4), char('b').as(5)) scala> p.parse("ab") val res0 = Success(Add(4, 5)) scala> val f = (x: Int, y: Int, z: Int) => x * y + z scala> val q = f.lift(char('a').as(3), char('b').as(2), char('c').as(5)) scala> q.parse("abc") val res1 = Success(11) scala> q.parse("ab") val res2 = Failure(..)
- Since
3.0.0
- Note
a limitation of this syntax is that it requires the function's type to be fully known. For a version of this syntax that behaves better with type inference, see
zipped
.
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implicit final
class
Lift0[R] extends AnyVal
This class enables the
lift
syntax on any value, which functions aspure
as a postfix method. -
implicit final
class
Lift1[T1, R] extends AnyVal
This class enables the
lift
syntax on functions of arity one: a flippedmap
. -
implicit final
class
Lift10[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, R] extends AnyVal
This class enables the
lift
syntax on functions of arity ten. -
implicit final
class
Lift11[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, R] extends AnyVal
This class enables the
lift
syntax on functions of arity eleven. -
implicit final
class
Lift12[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, R] extends AnyVal
This class enables the
lift
syntax on functions of arity twelve. -
implicit final
class
Lift13[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, R] extends AnyVal
This class enables the
lift
syntax on functions of arity thirteen. -
implicit final
class
Lift14[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, R] extends AnyVal
This class enables the
lift
syntax on functions of arity fourteen. -
implicit final
class
Lift15[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, R] extends AnyVal
This class enables the
lift
syntax on functions of arity fifteen. -
implicit final
class
Lift16[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, R] extends AnyVal
This class enables the
lift
syntax on functions of arity sixteen. -
implicit final
class
Lift17[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, R] extends AnyVal
This class enables the
lift
syntax on functions of arity seventeen. -
implicit final
class
Lift18[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, R] extends AnyVal
This class enables the
lift
syntax on functions of arity eighteen. -
implicit final
class
Lift19[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, R] extends AnyVal
This class enables the
lift
syntax on functions of arity nineteen. -
implicit final
class
Lift2[T1, T2, R] extends AnyVal
This class enables the
lift
syntax on functions of arity two. -
implicit final
class
Lift20[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, R] extends AnyVal
This class enables the
lift
syntax on functions of arity twenty. -
implicit final
class
Lift21[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, R] extends AnyVal
This class enables the
lift
syntax on functions of arity twenty-one. -
implicit final
class
Lift22[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, T17, T18, T19, T20, T21, T22, R] extends AnyVal
This class enables the
lift
syntax on functions of arity twenty-two. -
implicit final
class
Lift3[T1, T2, T3, R] extends AnyVal
This class enables the
lift
syntax on functions of arity three. -
implicit final
class
Lift4[T1, T2, T3, T4, R] extends AnyVal
This class enables the
lift
syntax on functions of arity four. -
implicit final
class
Lift5[T1, T2, T3, T4, T5, R] extends AnyVal
This class enables the
lift
syntax on functions of arity five. -
implicit final
class
Lift6[T1, T2, T3, T4, T5, T6, R] extends AnyVal
This class enables the
lift
syntax on functions of arity six. -
implicit final
class
Lift7[T1, T2, T3, T4, T5, T6, T7, R] extends AnyVal
This class enables the
lift
syntax on functions of arity seven. -
implicit final
class
Lift8[T1, T2, T3, T4, T5, T6, T7, T8, R] extends AnyVal
This class enables the
lift
syntax on functions of arity eight. -
implicit final
class
Lift9[T1, T2, T3, T4, T5, T6, T7, T8, T9, R] extends AnyVal
This class enables the
lift
syntax on functions of arity nine.
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This is the documentation for Parsley.
Package structure
The parsley package contains the
Parsley
class, as well as theResult
,Success
, andFailure
types. In addition to these, it also contains the following packages and "modules" (a module is defined as being an object which mocks a package):parsley.Parsley
contains the bulk of the core "function-style" combinators.parsley.combinator
contains many helpful combinators that simplify some common parser patterns.parsley.character
contains the combinators needed to read characters and strings, as well as combinators to match specific sub-sets of characters.parsley.debug
contains debugging combinators, helpful for identifying faults in parsers.parsley.extension
contains syntactic sugar combinators exposed as implicit classes.parsley.expr
contains the following sub modules:parsley.expr.chain
contains combinators used in expression parsingparsley.expr.precedence
is a builder for expression parsers built on a precedence table.parsley.expr.infix
contains combinators used in expression parsing, but with more permissive types than their equivalents inchain
.parsley.expr.mixed
contains combinators that can be used for expression parsing, but where different fixities may be mixed on the same level: this is rare in practice.parsley.implicits
contains several implicits to add syntactic sugar to the combinators. These are sub-categorised into the following sub modules:parsley.implicits.character
contains implicits to allow you to use character and string literals as parsers.parsley.implicits.combinator
contains implicits related to combinators, such as the ability to make any parser into aParsley[Unit]
automatically.parsley.implicits.lift
enables postfix application of the lift combinator onto a function (or value).parsley.implicits.zipped
enables boths a reversed form of lift where the function appears on the right and is applied on a tuple (useful when type inference has failed) as well as a.zipped
method for building tuples out of several combinators.parsley.errors
contains modules to deal with error messages, their refinement and generation.parsley.errors.combinator
provides combinators that can be used to either produce more detailed errors as well as refine existing errors.parsley.errors.tokenextractors
provides mixins for common token extraction strategies during error message generation: these can be used to avoid implementingunexpectedToken
in theErrorBuilder
.parsley.lift
contains functions which lift functions that work on regular types to those which now combine the results of parsers returning those same types. these are ubiquitous.parsley.ap
contains functions which allow for the application of a parser returning a function to several parsers returning each of the argument types.parsley.registers
contains combinators that interact with the context-sensitive functionality in the form of registers.parsley.token
contains theLexer
class that provides a host of helpful lexing combinators when provided with the description of a language.parsley.position
contains parsers for extracting position information.parsley.genericbridges
contains some basic implementations of the Parser Bridge pattern (see Design Patterns for Parser Combinators in Scala, or the parsley wiki): these can be used before more specialised generic bridge traits can be constructed.