#let lab(
    num: 0,
    name: [],
    doc
) = [
    #set document(
        title: [Частотные методы - Лабораторная работа №#num],
        author: "Капралов Егор"
    )

    #set page(
        paper: "a4",
        margin: (left: 30mm, right: 15mm, top: 20mm, bottom: 20mm),
        numbering: "1"
    )

    #set text(
        font: "Liberation Serif",
        size: 14pt,
        lang: "ru",
        region: "RU"
    )

    #set par(
        justify: true,
        leading: 1.5em,
        first-line-indent: 1.25cm
    )

    // remove leading dot from the heading numbering
    #set heading(
        numbering: (..nums) => nums.pos().map(str).join(".")
    )

    #show heading: it => {
        set text(weight: "bold")
        // format non-numbered headings differently
        if it.numbering == none {
            set align(center)
            set text(size: 16pt)
            block(below: 2.5em, above: 2.5em, upper(it))
        } else {
            set text(size: 14pt)
            block(below: 2em, above: 2em, it)
        }
    }

    #show raw.where(lang: "matlab"): it => {
        set text(size: 11pt, font: "Courier Prime")
        set par(leading: 1.15em)
        it
    }

    #import "../title.typ": itmo_title

    #itmo_title(
        type: [Лабораторная работа №#num],
        name: name,
        subject: [Частотные методы]
    )

    #outline(title: [Содержание])

    #doc
]

#let chapter(title) = {
    pagebreak(weak: true)
    heading(numbering: none, title)
}