31 lines
981 B
Text
31 lines
981 B
Text
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# Test: Manual merge without fold
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{
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# Hardcoded merge for 2-field record
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merge_manual = fun base override =>
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let base_fields = std.record.fields base in
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let has_field_0 = std.array.length base_fields > 0 in
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let has_field_1 = std.array.length base_fields > 1 in
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let key0 = if has_field_0 then std.array.at 0 base_fields else "" in
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let key1 = if has_field_1 then std.array.at 1 base_fields else "" in
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let val0 = if has_field_0 then std.record.get key0 base else null in
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let val1 = if has_field_1 then std.record.get key1 base else null in
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let result0 = if has_field_0 then
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if std.record.has_field key0 override then
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{"%{key0}" = std.record.get key0 override}
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else
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{"%{key0}" = val0}
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else {} in
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let result1 = if has_field_1 then
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if std.record.has_field key1 override then
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{"%{key1}" = std.record.get key1 override}
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else
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{"%{key1}" = val1}
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else {} in
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result0 & result1,
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}
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