Assertion: racket's string | /r/HasProperty | s length
Facets:
Source sentences:
text: > ( string-append "rope" "twine" "yarn" ) ; append strings "ropetwineyarn" > ( substring "corduroys" 0 4 ) ; extract a substring "cord" > ( string-length "shoelace" ) ; get a string ' s length 8 > ( string?