Add parsers following ivy notation for VersionInterval

typelead / etlas

Etlas, the build tool and package manager for the Eta programming language

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Closed jneira closed 5 years ago

jneira commented 5 years ago

As a previous step to add them to etlas.dhall: https://github.com/typelead/eta/issues/946#issuecomment-464989055
As bonus now you can use ivy notation in the field build-depends of .cabal config:

build-depends: base [4.8,4.9) [4.11,4.12)

would be equivalent to

build-depends: base >=4.8 && < 4.9 || >=4.11 && <4.12