RosettaCodeData/Task/Empty-string/Lasso/empty-string.lasso

//Demonstrate how to assign an empty string to a variable.
local(str = string)
local(str = '')

//Demonstrate how to check that a string is empty.
#str->size == 0     // true
not #str->size      // true

//Demonstrate how to check that a string is not empty.
local(str = 'Hello, World!')
#str->size > 0      // true
#str->size      // true