nl_tokens: * META (( export bind - exit - lambda ))
pl_tokens: function sc_bindExitLambda ( proc ) { var escape_obj = new sc_BindExitException ( ) ; var <mask> = function ( res ) { escape_obj . res = res ; throw escape_obj ; } ; try { return proc ( escape ) ; } catch ( e ) { if ( e === escape_obj ) { return e . res ; } throw e ; } }