Prefer expression bodied lambdas

csharp-style-expression-bodied-lambdas

This option controls whether lambda expressions should be written using expression-bodied syntax instead of a block body.

Default value:

true

true

Func<int, int> square =
  x => x * x;

false

Func<int, int> square =
  x => { return x * x; };

when_on_single_line

Func<int, int> square = x => x * x;

Func<int, int> cube = x =>
{
  var squared = x * x;
  return squared * x;
};