ionous/sashimi: parser/comprehension.go; 16 LoC

Found a possible issue in [ionous/sashimi](https://www.github.com/ionous/sashimi) at [parser/comprehension.go](https://github.com/ionous/sashimi/blob/9034458fa291bd56a3860c5b157acd33a409acb0/parser/comprehension.go#L46-L61)

Below is the message reported by the analyzer for this snippet of code. Beware that the analyzer only reports the first issue it finds, so please do not limit your consideration to the contents of the below message.

> reference to p is reassigned at line 50

[Click here to see the code in its original context.](https://github.com/ionous/sashimi/blob/9034458fa291bd56a3860c5b157acd33a409acb0/parser/comprehension.go#L46-L61)

Click here to show the 16 line(s) of Go which triggered the analyzer.

```go
for _, p := range c.patterns {
// try the pattern:
if match, ok := p.TryPattern(input); ok {
// let the caller know that something matched:
found = &p
// try the nouns:
if imatch, e := matchFactory.NewMatcher(c.id); e != nil {
err = e // provisional return
} else if e := match.MatchNouns(imatch); e != nil {
err = e // provisional return
} else {
matched, err = imatch, nil
break
}
}
}

```

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commit ID: 9034458fa291bd56a3860c5b157acd33a409acb0