- the spry website
- spry on github
- spry first appeared in 2015
- Have a question about spry not answered here? Email me and let me know how I can help.
Example code from the web:
# Let's add a method to:do: that works as in Smalltalk. # Methods take the first argument, the "receiver", from the left # and binds it to "self". to:do: = method [:to :block n = self [n <= to] whileTrue: [ do block n ..n = (n + 1)]] # Then we can loop in Smalltalk style echoing 1 to 5! 1 to: 5 do: [echo :x] # We can similarly implement select: from Smalltalk select: = method [:pred result = ( clone) self reset [self end?] whileFalse: [ n = (self next) do pred n then: [result add: n]] ^result] # Then use it to produce [3 4] echo ([1 2 3 4] select: [:x > 2])
Last updated January 18th, 2020