You can search for identifiers within the package.
in-package search v0.2.0
val negate : int -> int
Int.negate 8 = (-8)
Int.negate (-7) = 7
Int.negate 0 = 0
val isEven : int -> bool
Int.isEven 8 = true
Int.isEven 7 = false
Int.isEven 0 = true
val is_even : int -> bool
val isOdd : int -> bool
Int.isOdd 7 = true
Int.isOdd 8 = false
Int.isOdd 0 = false
val is_odd : int -> bool