TY  - BOOK
AU  - Hao,Benjamin Tan Wei
TI  - Mastering Ruby closures: a guide to blocks, procs, and lambdas  
SN  - 9781680502619
AV  - QA76.64 .H33     2017
PY  - 2017///
CY  - North Carolina
PB  - the pragmatic bookshelf
KW  - Ruby (Computer program language)
ER  -