Referenced from lesson Method Chaining (Spring, 2021)

You have the following functions defined below (read them carefully!):

``````fun is-fixed(r): r["fixed"]                 end
fun is-young(r): r["age"] < 4               end
fun nametag(r):  text(r["name"], 20, "red") end``````

The table `t` below represents four animals from the shelter:

name sex age fixed pounds

`"Toggle"`

`"female"`

`3`

`true`

`48`

`"Fritz"`

`"male"`

`4`

`true`

`92`

`"Nori"`

`"female"`

`6`

`true`

`35.3`

`"Maple"`

`"female"`

`3`

`true`

`51.6`

Match each Pyret expression (left) to the description of what it does (right).

 `` t.order-by("age", true)`` 1 A Produces a table containing only Toggle and Maple `` t.filter(is-fixed)`` 2 B Produces a table of only young, fixed animals `` t.build-column("sticker", nametag)`` 3 C Produces a table, sorted youngest-to-oldest `` t.filter(is-young)`` 4 D Produces a table with an extra column, named "sticker" ``````t.filter(is-young) .filter(is-fixed)`````` 5 E Produces a table containing Maple and Toggle, in that order ``````t.filter(is-young) .order-by("pounds", false)`````` 6 F Produces a table containing the same four animals ``````t.build-column("label", nametag) .order-by("age", true)`````` 7 G Wonâ€™t run: will produce an error ``t.order-by("sx", false)`` 8 H Produces a table with an extra "label" column, sorted youngest-to-oldest

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