================================================================================
Let expression
================================================================================

let
  import "a.tih"
in
  12
end

--------------------------------------------------------------------------------

(source_file
  (let_expression
    declarations: (import_declaration
      file: (string_literal))
    body: (integer_literal)))

================================================================================
Let multiple declarations
================================================================================

let
  import "a.tih"
  import "b.tih"
in
  12
end

--------------------------------------------------------------------------------

(source_file
  (let_expression
    declarations: (import_declaration
      file: (string_literal))
    declarations: (import_declaration
      file: (string_literal))
    body: (integer_literal)))

================================================================================
Let multiple expressions
================================================================================

let
  import "a.tih"
in
  12;
  27
end

--------------------------------------------------------------------------------

(source_file
  (let_expression
    declarations: (import_declaration
      file: (string_literal))
    body: (integer_literal)
    body: (integer_literal)))

================================================================================
Let multiple expressions and declarations
================================================================================

let
  import "a.tih"
  import "b.tih"
in
  12;
  27
end

--------------------------------------------------------------------------------

(source_file
  (let_expression
    declarations: (import_declaration
      file: (string_literal))
    declarations: (import_declaration
      file: (string_literal))
    body: (integer_literal)
    body: (integer_literal)))

================================================================================
Let empty declarations
================================================================================

let
in
  42
end

--------------------------------------------------------------------------------

(source_file
  (let_expression
    body: (integer_literal)))

================================================================================
Let empty expressions
================================================================================

let
  import "a.tih"
in
end

--------------------------------------------------------------------------------

(source_file
  (let_expression
    declarations: (import_declaration
      file: (string_literal))))

================================================================================
Let empty
================================================================================

let in end

--------------------------------------------------------------------------------

(source_file
  (let_expression))