Crystal C bindings: return type char*...

Type checking in Crystal...

What's the difference between #clone and #dup...

Convert hex string to int in Crystal...

Make Class member attribute of type Array(T) accept 2D arrays of T...

Condition over object's type...

Define Class object validations...

Set attribute of type "Class" to define it as Int32, String, Float64...

Set both default attribute and type of attribute...

What is the idiomatic way of returning optional values?...

Application server for Crystal web app / Kemal...

Write binary data to stdout in Crystal...

Crystal C bindings: argument const unsigned char **...

How to parse data from POST request...

How to reuse HTTP connection and share it between Sidekiq background jobs?...

Unable to compile after upgrade from crystal 0.19.4 to 0.20...

Crystal method return multiple values...

Is there a simple way to sort an array in Crystal?...

Crystal convert string to hash from response.body...

Array of Union-type of Class.class and Struct.class...

Crystal with Sidekiq I've got an error. What I'm doing wrong?...

Reopening class or struct inside macro...

What object receives #puts in my Crystal programs?...

Crystal function gets not waiting for user input...

Read a single char from stdin without pressing enter...

Sharing variables between different macros...

execution of command failed with code: 1: `cc -o "/root/.cache/crystal/var-app-staging-new-http...

is INSTANCE = new in class is run after compilation automatically or the first time it is accessed?...

How to convert a hex string to bytes array in Crystal?...

Crystal lang: understanding method return type of Void...