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Make great documentation goal 1.2, and plan the README's reorganisation and the nested-template gaps #33

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lilleman wants to merge 966 commits from worktree-todo-relative-dates-exact-counts into main
pull from: worktree-todo-relative-dates-exact-counts
merge into: larvit:main
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1 changed files with 12 additions and 10 deletions
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datatype.go
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@@ -183,19 +183,21 @@ func disagreement(a *template, da DataType, b *template, db DataType) error {
return fmt.Errorf("%s, so %s", held, typedAs(fix, want))
}
return fmt.Errorf("%s, so to read %q as text, %s", held, fix.format, asText(fix))
}
switch kindOf(other) {
case kindText:
panic(internalError("two text items hold one datatype, so they never disagree"))
case kindReads:
if !fits {
return fmt.Errorf(`item %q is not %s, the datatype item %q takes from the column it reads; to read that column as text, %s`, fix.format, dataTypeNouns[want], other.format, asText(other))
switch kindOf(other) {
case kindText:
panic(internalError("two text items hold one datatype, so they never disagree"))
case kindReads:
if !fits {
return fmt.Errorf(`item %q is not %s, the datatype item %q takes from the column it reads; to read that column as text, %s`, fix.format, dataTypeNouns[want], other.format, asText(other))
}
}
if fix.fromString { // an object may carry a weight, which this spelling would drop
return fmt.Errorf(`item %q declares no datatype, and a column holds one; write it as {"format":%q,"datatype":%q}`, fix.format, fix.format, want)
}
return fmt.Errorf(`item %q declares no datatype beside one holding %s; a column holds one, so give it "datatype": %q`, fix.format, want, want)
}
if fix.fromString { // an object may carry a weight, which this spelling would drop
return fmt.Errorf(`item %q declares no datatype, and a column holds one; write it as {"format":%q,"datatype":%q}`, fix.format, fix.format, want)
}
return fmt.Errorf(`item %q declares no datatype beside one holding %s; a column holds one, so give it "datatype": %q`, fix.format, want, want)
panic(internalError("disagreement has no case for item kind %d", kindOf(fix)))
}
// typedAs names the spelling giving a column-read item datatype d, keeping the other keys an object