Why doesn't Crystal leave the niche? StackOverflow 2022 Survey Result.

[beta-ziliani]

Also notably, Crystal has the Maybe monad baked in:

Maybe monad for crystal

Exactly. In Crystal map is Object#try. As an example, the code presented in the rosettacode for Ruby: class Maybe def initialize(value) @value = value end def map if @value.nil? self else Maybe.new(yield @value) end end end Maybe.new(3).map { |n| 2*n }.map { |n| n+1 } #=> #<Maybe @value=7> Maybe.new(nil).map { |n| 2*n }.map { |n| n+1 } #=> #<Maybe @value=nil> Maybe.new(3).map { |n| nil }.map { |n| n+1 } #=> #<Maybe @value=nil> Becomes in Crystal: 3.t…