Ruby Json Array

Generate a json document from the ruby data structure obj and return it. In json array values must be of type string number object array boolean or null. Generate a json document from the ruby data structure obj and return it.

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Ruby json array.

A source can either be a string like object an io like object or an object responding to the read method. To modify the default options pass in the optional options argument as well. It defaults to a state object that creates the shortest possible json text in one line checks for circular data structures and doesn t. Returns a new array.

Load a ruby data structure from a json source and return it. Dig gin through hashes and arrays in ruby while working with third party apis lot of times we get nested json structure in the response. Or a hash like object responding to to hash. An object convertible into a hash by a to h method that is used as or to configure a state object.

For example a piece of array log is like below. However the json module in the python standard library will always use python lists to represent json arrays. When a size and an optional default are sent an array is created with size copies of default take notice that all elements will reference the same object default. Here is sample response from github api.

If proc was given it will be called with any nested ruby object as an argument recursively in depth first order. An object convertible into a hash by a to h method that is used as or to configure a state object. Or a hash like object responding to to hash. State is a json state object.

In python array is analogous to a list or tuple type depending on usage. Given below is a ruby program that will be used to parse the above mentioned json document usr bin ruby require rubygems require json require pp json file read input json obj json parse json pp obj on executing it will produce the following result. State is a json state object. In the first form if no arguments are sent the new array will be empty.

I am using json ruby fitler to make the array element parsed flatten. The second form creates a copy of the array passed as a parameter the array is generated by calling to ary on the parameter. In javascript array values can be all of the above plus any other valid javascript expression including functions dates and undefined. In json each element in an array may be of a different type.

It defaults to a state object that creates the shortest possible json text in one line checks for circular data structures and doesn t. I have a log file with json format and there are json arrays in it. Arrays in json are almost the same as arrays in javascript.