// Keep empty lines between types
type Expr = IfExpr | IntegerLiteral

type Node2 = Expr | string
type MyInt = int

// Keep empty lines in const blocks
const _ = SomeStruct{
    val: 'Multiline field exprs should cause no problems'
}
const _ = 1

const _ = 'Keep this empty line before'
// Comment before a field
const _ = 2

// The empty line above should stay too
const _ = 3

// This comment doesn't really belong anywhere

const _ = 'A multiline string with a StringInterLiteral...
    ${foo}
    ...and the ending brace on a newline had a wrong pos.last_line.
    '
const _ = 4

fn keep_single_empty_line() {
    println('a')
    println('b')

    println('c')

    dump('d')

    d := 0

    if true {
        println('e')
    }

    dump('f')
    f := 0
    arr << MyStruct{}

    arr2 := [1, 2]
}

fn prevent_empty_line_after_multi_line_statements() {
    // line1
    /*
    block1
    */
    /*
    block2
    */
    if test {
        println('a')
    }
    println('b')
    for test {
        println('c')
    }
    c := fn (s string) {
        println('s')
    }
}

fn between_orm_blocks() {
    sql db {
        insert upper_1 into Upper
    }

    upper_s := sql db {
        select from Upper where id == 1
    }
}

fn no_empty_lines() {
    _ := $embed_file('testy.v')
    mut files := map[string][]FileData{}
    code := 'foo
bar'
    params[0] = IfExpr{
        ...params[0]
        typ: params[0].typ.set_nr_muls(1)
    }
    env_value = environ()[env_lit] or {
        return error('the environment variable "${env_lit}" does not exist.')
    }
    assert '${mr_one_two()}' == "(One{
    value: 'one'
}, Two{
    value: 'two'
})"
    r := m[key]!
    compile_time_env := $env('ENV_VAR')
    func()
}