crystal-lang

crystal-lang

How do I create an iterator over a recursive data structure in Crystal?

Adding a nilable variable to a non-nilable array

How do I list files and directories those are not hidden in current directory using crystal language?

What does the ** (Double splat) in Crystal lang do?

How to make an array of a composed type in Crystal?

Array of objects in Crystal

Why is include JSON::Serializable needed in this struct in Crystal?

How to get the type of anything in Crystal?

Why does the backspace key print ^? when calling gets() in crystal?

Understanding enum's types in Crystal

How do I parse a String to Time in Crystal Lang?

How Do I Read a File in Crystal Lang?

Why does array "each" do not work anymore in Crystal 1.3.0? What should I use instead?

How to turn off the GC in Crystal and do memory management yourself, without any GC?

How can I generate code from file at compile time using a macro?

In this case, how do I handle nil well?

Why Array.to_s is not recursive?

Crystal build fails with error - cannot find -levent

Scope variables/guards

Crystal: detect if a dictionary insert overwrites a key, but without hashing twice

crystal Error: undefined method 'length' for Array(String)

How to print current username in Crystal-lang?

How to read a file line by line in crystal language?

How do I make generic memoization in Crystal?

Why doesn't crystal's type inference work on classes as expected?

Crystal: inheritance vs inclusion vs extension

In Crystal, what's the difference between inheritance and inclusion?

Why can't Crystal resolve the type of the assignment of 1 + 1?

Can you require a whole set of modules or classes via one require statement?

How to interpret an unsigned integer as a signed one and vice versa in Crystal?

How to read a certain number of characters (as opposed to bytes) in Crystal?

Use PullParser to deserialize Range in Crystal

Subtract two times in crystal lang

Lucky / Crystal init error: undefined method 'signal' for Process

View metrics or more insights on HTTP::Server

Save empty strings as NULL in the database. AmberFramework / Granite

Why I can't define a function in the `lib` scope?

How to do an unsafe addition (addition without throwing OverflowException) in Crystal?

Crystal - How to dynamically get global variables from modules in multiple files

How to get all property of a class

Is there any alternative to python ast module in Crystal?

Closed stream (IO::Error) with HTTP::Client.get("https...")

Crystal compiler does not detect that object is not nil

Fibonacci problem causes Arithmetic overflow

How to use Rollbar.com with in Crystal Lang

Are Hashes ever on the stack in Crystal lang?

Slow exception report in Kemal

How do I call instance method from string?

Why NamedTuple of same types are not compatible?

Is it possible to extend class for limited types only?

Named arguments shortcut for Crystal

How to require file via absolute and relative paths in Crystal?

How to parse both Int and Float in JSON in Crystal?

How to pass method to block in Crystal

Type-safe way to remove nulls from Array in Crystal

Error: undefined local variable or method 'var' for top-level

Issue inferring type for generic

Get string class method called on - Ruby/Crystal

best practices for generic constant in crystal lang

It is possible to somehow use forward_missing_to to fetch/set hash values?

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