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Add detail to negation docs

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I felt the negation docs didn't cover checking if a value was *not* another value and didn't point out that `not` can't be combined with other operators.

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Bernard Hamlin 2018-08-09 14:46:25 +12:00 committed by Robbie Averill
parent 3b06385b7d
commit 25c84709f1
1 changed files with 12 additions and 1 deletions
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docs/en/02_Developer_Guides/01_Templates/01_Syntax.md
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@ -178,7 +178,7 @@ Conditionals can also provide the `else` case.
### Negation ### Negation
The inverse of `<% if %>` is `<% if not %>`. You can check if a variable is false with `<% if not %>`.
```ss ```ss
<% if not $DinnerInOven %> <% if not $DinnerInOven %>
@ -186,6 +186,17 @@ The inverse of `<% if %>` is `<% if not %>`.
<% end_if %> <% end_if %>
``` ```
Note that you cannot combine this with other operators such as `==`.
For more nuanced check you can use the `!` operator.
```ss
<% if $MyDinner != "quiche" %>
Lets go out
<% end_if %>
```
### Boolean Logic ### Boolean Logic
Multiple checks can be done using `||`, `or`, `&&` or `and`. Multiple checks can be done using `||`, `or`, `&&` or `and`.