# 4m: Formatting Functions ## `+scot` Render `$dime` as `$cord`. Renders a `$dime` `.mol` as a `$cord`. #### Accepts `.mol` is a `$dime`. #### Produces A `$cord`. #### Source ```hoon ++ scot ~/ %scot |=(mol=dime ~(rent co %$ mol)) ``` #### Examples ``` > (scot %p ~pillyt) ~.~pillyt ``` ``` > `@t`(scot %p ~pillyt) '~pillyt' ``` ``` > `@t`(scot %ux 0x12) '0x12' ``` ``` > `@t`(scot %if .127.0.0.1) '.127.0.0.1' ``` ``` > `@t`(scot %ta ~.asd_a) '~.asd_a' ``` *** ## `+scow` Render `$dime` as `$tape`. Renders a `$dime` `.mol` as a `$tape`. #### Accepts `.mol` is a `$dime`. #### Produces A `$tape`. #### Source ```hoon ++ scow ~/ %scow |=(mol=dime ~(rend co %$ mol)) ``` #### Examples ``` > (scow %p ~pillyt) "~pillyt" ``` ``` > (scow %ux 0x12) "0x12" ``` ``` > (scow %if .127.0.0.1) ".127.0.0.1" ``` ``` > (scow %ta ~.asd_a) "~.asd_a" ``` *** ## `+slat` Curried slaw. Produces a `$gate` that parses a `$knot` `.txt` to a `+unit` containing the `$atom` of the aura specified by `.mod`. The `+unit` will be null if parsing failed. #### Accepts `.mod` is a `$knot`. `.txt` is a `$cord`. #### Produces A `(unit @)`. #### Source ```hoon ++ slat |=(mod=@tas |=(txt=@ta (slaw mod txt))) ``` #### Examples ``` > `(unit @p)`((slat %p) '~pillyt') [~ ~pillyt] ``` ``` > `(unit @ux)`((slat %ux) '0x12') [~ 0x12] ``` ``` > `(unit @if)`((slat %if) '.127.0.0.1') [~ .127.0.0.1] ``` ``` > `(unit @ta)`((slat %ta) '~.asd_a') [~ ~.asd_a] ``` *** ## `+slav` Demand: parse `$cord` with input aura. Parses a `$cord` `.txt` to an `$atom` of the aura specificed by `.mod`. Crashes if it fails to parse. #### Accepts `.mod` is a `$term` `.txt` is a `$knot`. #### Produces an `$atom`. #### Source ```hoon ++ slav |=([mod=@tas txt=@ta] (need (slaw mod txt))) ``` #### Examples ``` > `@p`(slav %p '~pillyt') ~pillyt ``` ``` > `@p`(slav %p '~pillam') ! exit ``` ``` > `@ux`(slav %ux '0x12') 0x12 ``` ``` > `@ux`(slav %ux '0b10') ! exit ``` ``` > `@if`(slav %if '.127.0.0.1') .127.0.0.1 ``` ``` > `@if`(slav %if '.fe80.0.0.202') ! exit ``` ``` > `@ta`(slav %ta '~.asd_a') ~.asd_a ``` ``` > `@ta`(slav %ta '~~asd-a') ! exit ``` *** ## `+slaw` Parse `$cord` to input aura. Parses a `$cord` `.txt` to a `+unit` containing the `$atom` of the aura specified by `.mod`. The `+unit` is null if parsing failed. #### Accepts `.mod` is a `$term`. `.txt` is a `$knot`. #### Produces A `(unit @)`. #### Source ```hoon ++ slaw ~/ %slaw |= [mod=@tas txt=@ta] ^- (unit @) ?+ mod :: slow fallback case to the full slay :: =+ con=(slay txt) ?.(&(?=([~ %$ @ @] con) =(p.p.u.con mod)) ~ [~ q.p.u.con]) :: %da (rush txt ;~(pfix sig (cook year when:so))) :: %p (rush txt ;~(pfix sig fed:ag)) :: %ud (rush txt dem:ag) :: %ux (rush txt ;~(pfix (jest '0x') hex:ag)) :: %uv (rush txt ;~(pfix (jest '0v') viz:ag)) :: %ta (rush txt ;~(pfix ;~(plug sig dot) urs:ab)) :: %tas (rush txt sym) == ``` #### Examples ``` > `(unit @p)`(slaw %p '~pillyt') [~ ~pillyt] ``` ``` > `(unit @p)`(slaw %p '~pillam') ~ ``` ``` > `(unit @ux)`(slaw %ux '0x12') [~ 0x12] ``` ``` > `(unit @ux)`(slaw %ux '0b10') ~ ``` ``` > `(unit @if)`(slaw %if '.127.0.0.1') [~ .127.0.0.1] ``` ``` > `(unit @if)`(slaw %if '.fe80.0.0.202') ~ ``` ``` > `(unit @ta)`(slaw %ta '~.asd_a') [~ ~.asd_a] ``` ``` > `(unit @ta)`(slaw %ta '~~asd-a') ~ ``` *** ## `+slay` Parse `$cord` to `$coin`. Parses a `$cord` `.txt` to the unit of a `$coin`. #### Accepts `.txt` is a `@ta`. #### Produces A `(unit coin)`. #### Source ```hoon ++ slay |= txt=@ta ^- (unit coin) =+ ^= vex ?: (gth 0x7fff.ffff txt) :: XX petty cache ~+ ((full nuck:so) [[1 1] (trip txt)]) ((full nuck:so) [[1 1] (trip txt)]) ?~ q.vex ~ [~ p.u.q.vex] ``` #### Examples ``` > (slay '~pillyt') [~ [%$ p=[p=~.p q=13.184]]] ``` ``` > (slay '0x12') [~ [%$ p=[p=~.ux q=18]]] ``` ``` > (slay '.127.0.0.1') [~ [%$ p=[p=~.if q=2.130.706.433]]] ``` ``` > (slay '!') ~ ``` *** ## `+smyt` Render `$path` as `$tank`. Renders the `$path` `.bon` as a `$tank`, which is used for pretty-printing. #### Accepts `.bon` is a `$path`. #### Produces A `$tank`. #### Source ```hoon ++ smyt |= bon=path ^- tank :+ %rose [['/' ~] ['/' ~] ~] (turn bon |=(a=@ [%leaf (trip a)])) ``` #### Examples ``` > (smyt %) [ %rose p=[p="/" q="/" r=""] q ~[ [%leaf p="~zod"] [%leaf p="base"] [%leaf p="~2022.1.6..14.22.14..40bf"] ] ] ``` ``` > (smyt /as/les/top) [ %rose p=[p="/" q="/" r=""] q=~[[%leaf p="as"] [%leaf p="les"] [%leaf p="top"]] ] ``` *** ## `+spat` Render `$path` as `$cord`. Renders a `$path` `.pax` as `$cord`. #### Accepts `.pax` is a `$path`. #### Produces A `$cord`. #### Source ```hoon ++ spat |=(pax=path (crip (spud pax))) ``` #### Examples ``` > (spat %) '/~zod/base/~2022.1.6..14.23.31..e367' ``` ``` > (spat %/lib) '/~zod/base/~2022.1.6..14.23.43..829e/lib' ``` ``` > (spat /as/les/top) '/as/les/top' ``` *** ## `+spud` Render `$path` as `$tape`. Renders a `$path` `.pax` as `$tape`. #### Accepts `.pax` is a `$path`. #### Produces A `$tape`. #### Source ```hoon ++ spud |=(pax=path ~(ram re (smyt pax))) ``` #### Examples ``` > (spud %) "/~zod/base/~2022.1.6..14.24.35..cddf" ``` ``` > (spud %/lib) "/~zod/base/~2022.1.6..14.24.43..3efb/lib" ``` ``` > (spud /as/les/top) "/as/les/top" ``` *** ## `+stab` Parse `$cord` to `$path`. Parses a `$cord` `.zep` to a static `$path`. Crashes if it fails to parse. #### Accepts `.zep` is a `@t`. #### Produces A `$path`, or crash. #### Source ```hoon ++ stab |=(zep=@t `$path`(rash zep stap)) ``` #### Examples ``` > (stab '/as/lek/tor') /as/lek/tor ``` *** ## `+stap` Path parser. Parsing `$rule`. Parses a `$path`, used internally by `+stab`. #### Source ```hoon ++ stap %+ sear |= p=path ^- (unit path) ?: ?=([~ ~] p) `~ ?. =(~ (rear p)) `p ~ ;~(pfix fas (most fas urs:ab)) ``` #### Examples ``` > (scan "/foo/bar/baz" stap) /foo/bar/baz ``` *** --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.urbit.org/hoon/stdlib/4m.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.