def brice_require(string, quiet = Brice.quiet, &block)
      brice_rescue(:require, [string], LoadError, quiet, &block)
    end
def brice_require(string, quiet = Brice.quiet, &block)
      brice_rescue(:require, [string], LoadError, quiet, &block)
    end
call-seq:
   brice_require(string[, quiet])
   brice_require(string[, quiet]) { ... }

 Kernel#require the library named +string+ and optionally execute
 the block in case of success. Doesn't warn about load errors when
 +quiet+ is +true+.

 Returns either the result of the executed method or of the block.