Everything is an object Everything is an object In Crystal everything is an object. The definition of an object boils down to these points: It has a type It can respond to som...

Uninitialized variable declaration Uninitialized variable declaration Crystal allows declaring uninitialized variables: x = uninitialized Int32 x # => some random value, ...

Everything is an object Everything is an object In Crystal everything is an object. The definition of an object boils down to these points: It has a type It can respond to som...

Uninitialized variable declaration Uninitialized variable declaration Crystal allows declaring uninitialized variables: x = uninitialized Int32 x # => some random value, ...

Everything is an object Everything is an object In Crystal everything is an object. The definition of an object boils down to these points: It has a type It can respond to som...

Methods Arguments Default arguments Type Restrictions Overloading Returning a value Return type Methods To avoid duplication of the same message, instead of using a variab...

Comments Comments Comments start with the # character. All following content up to the end of the line is part of the comment. Comments may be on their own line or follow after...

Comments Comments Comments start with the # character. All following content up to the end of the line is part of the comment. Comments may be on their own line or follow after...

Connection pool Configuration Sample Connection pool When a connection is established it usually means opening a TCP connection or Socket. The socket will handle one statement...

Connection pool Configuration Sample Connection pool When a connection is established it usually means opening a TCP connection or Socket. The socket will handle one statement...