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(Tutorial) Fix to make calculator example compile

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In abstract: startcat needs to be defined to run the commands that are shown later in the doc.
In concrete: ss and SS are defined in Prelude.
This commit is contained in:
Inari Listenmaa
2020-08-21 13:25:16 +02:00
committed by GitHub
parent 90fc1d750e
commit bf21b4768c
1 changed files with 3 additions and 2 deletions
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doc/tutorial/gf-tutorial.t2t
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@@ -4200,7 +4200,8 @@ We construct a calculator with addition, subtraction, multiplication, and
division of integers. division of integers.
``` ```
abstract Calculator = { abstract Calculator = {
flags startcat = Exp ;
cat Exp ; cat Exp ;
fun fun
@@ -4226,7 +4227,7 @@ We begin with a
concrete syntax that always uses parentheses around binary concrete syntax that always uses parentheses around binary
operator applications: operator applications:
``` ```
concrete CalculatorP of Calculator = { concrete CalculatorP of Calculator = open Prelude in {
lincat lincat
Exp = SS ; Exp = SS ;