“Ruby Hash bergabung” Kode Jawaban

Ruby Hash bergabung

h1 = { "a" => 100, "b" => 200 }
h2 = { "b" => 254, "c" => 300 }
h1.merge(h2)   #=> {"a"=>100, "b"=>254, "c"=>300}
h1.merge(h2){|key, oldval, newval| newval - oldval}
               #=> {"a"=>100, "b"=>54,  "c"=>300}
h1             #=> {"a"=>100, "b"=>200}

Hungry Hedgehog

Ruby Hash Gabungan vs Gabungan!

h1 = { "a" => 100, "b" => 200 }
h2 = { "b" => 254, "c" => 300 }
h1.merge!(h2)   #=> {"a"=>100, "b"=>254, "c"=>300}
h1              #=> {"a"=>100, "b"=>254, "c"=>300}

h1 = { "a" => 100, "b" => 200 }
h2 = { "b" => 254, "c" => 300 }
h1.merge!(h2) { |key, v1, v2| v1 }
                #=> {"a"=>100, "b"=>200, "c"=>300}
h1              #=> {"a"=>100, "b"=>200, "c"=>300}

patrick204nqh

Jawaban yang mirip dengan “Ruby Hash bergabung”

Pertanyaan yang mirip dengan “Ruby Hash bergabung”

Lebih banyak jawaban terkait untuk “Ruby Hash bergabung” di Ruby

Jelajahi jawaban kode populer menurut bahasa

Jelajahi bahasa kode lainnya

Shell/Bash

C++

CSS

HTML

Java

JavaScript

Objective-C

PHP

Python

Sql

Swift

Ruby

TypeScript

Kotlin

Assembly

VBA

Scala

Rust

Dart

Elixir

Clojure

Haskell

Matlab

Erlang

Cobol

Fortran

Scheme

Perl

Groovy

Lua

Julia

Delphi

Abap

Lisp

Prolog

Pascal

ActionScript

Basic

Solidity

PowerShell

GDScript

Excel