value_struct

5-min introduction to read-only structs in Ruby

Transcript

1. 1/6 rbjl.net ValueStruct - Nov 3 2012 - Jan Lelis d:evolute @happycode
2. 2/6 rbjl.net ValueStruct Value structs behave like a normal Ruby structs However, they are immutable*
3. 3/6 rbjl.net ValueStruct: First Draft
4. 4/6 rbjl.net ValueStruct: Benchmarks • Without mixins not much slower than Struct
5. 5/6 rbjl.net ValueStruct: Optional mixins • #dup takes a optional hash for setting new values • Value structs can be initialized with the exact amount of arguments • Automatically freeze new instances • #to_h for converting into a hash • If Ruby version below 2.0
6. 6/6 rbjl.net ValueStruct: Resources • gem install value_struct • https://github.com/janlelis/value_struct • Other solutions • https://github.com/tcrayford/Values • https://github.com/iconara/immutable_struct • Twitter • @happycode • Contact • happycode.org / devolute.org