Class: Float

Inherits:
Object show all
Defined in:
lib/user_input.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.from_user_input(value) ⇒ Object

All characters must be numbers, except there can be up to one decimal and a negative sign at the front



93
94
95
96
97
98
99
 
# File 'lib/user_input.rb', line 93

def Float.from_user_input(value)
	if (value.kind_of?(Float) || /^\s*-?[0-9]*(\.[0-9]+)?\s*$/ =~ value.to_s)
		return value.to_f
	else
		return nil
	end
end

Instance Method Details

#from_user_input(value) ⇒ Object

instance form does a straight comparison of value.to_f with self.



102
103
104
105
106
107
108
 
# File 'lib/user_input.rb', line 102

def from_user_input(value)
	if (self == value.to_f)
		return value.to_f
	else
		return nil
	end
end