[osh] Implement ${a[@]@P}
and make ${a[@]@a}
and ${a[@]@Q}
consistent with Bash#2210
Merged
andychu merged 7 commits intosoil-stagingfrom array-var-op0Jan 2, 2025
+134-46
${a[@]@P}
and make ${a[@]@a}
and ${a[@]@Q}
consistent with Bash#2210