timyates

// Change a method reference into a closure that takes the delegate as the first parameter
import org.codehaus.groovy.runtime.MethodClosure

def uncurry(MethodClosure c) {
    {a, ...b -> a."$c.method"(*b) }
}

// So uncurrying Number.plus gives us a closure that will take {x, y -> x.plus(y)}
def plus = uncurry(Number.&plus)
assert plus(1, 2) == 3

sidharthkuruvila

/**
 * Takes a camel cased identifier name and returns an underscore separated
 * name
 *
 * Example:
 *     camelToUnderscores("thisIsA1Test") == "this_is_a_1_test"
 */
def camelToUnderscores(name: String) = "[A-Z\\d]".r.replaceAllIn(name, {m =>
  "_" + m.group(0).toLowerCase()
})