Class: Basic101::MidFunction

Inherits:
Function show all
Defined in:
lib/basic101/mid_function.rb

Instance Method Summary collapse

Methods inherited from Function

#check_args

Instance Method Details

#call(runtime, args) ⇒ Object 



11
12
13
14
15
16
17
18
 
# File 'lib/basic101/mid_function.rb', line 11

def call(runtime, args)
  check_args args, [BasicString, BasicNumeric], [BasicNumeric]
  string, start, count = *args
  string = string.eval(runtime).to_string
  start = start.eval(runtime).to_integer
  count = count && count.eval(runtime).to_integer
  string.mid(start, *[count])
end

#name ⇒ Object 



7
8
9
 
# File 'lib/basic101/mid_function.rb', line 7

def name
  'MID$'
end