diff options
Diffstat (limited to 'erts/doc/src/absform.xml')
| -rw-r--r-- | erts/doc/src/absform.xml | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/erts/doc/src/absform.xml b/erts/doc/src/absform.xml index c70ea23aaa..afdb2e7b70 100644 --- a/erts/doc/src/absform.xml +++ b/erts/doc/src/absform.xml @@ -430,6 +430,21 @@ <c>{match,ANNO,Rep(P),Rep(E_0)}</c>.</p> </item> <item> + <p>If E is a conditional match operator expression <c>P ?= E_0</c>, + where <c>P</c> is a pattern, then Rep(E) = + <c>{maybe_match,ANNO,Rep(P),Rep(E_0)}</c>.</p> + </item> + <item> + <p>If E is a maybe expression <c>maybe B end</c>, + where <c>B</c> is a body then Rep(E) = + <c>{'maybe',ANNO,Rep(B)}</c>.</p> + </item> + <item> + <p>If E is a maybe expression <c>maybe B else Ec_1 ; ... ; Ec_k end</c>, + where <c>B</c> is a body and each <c>Ec_i</c> is an else clause then Rep(E) = + <c>{'maybe',ANNO,Rep(B),{'else',ANNO,[Rep(Ec_1), ..., Rep(Tc_k)]}}</c>.</p> + </item> + <item> <p>If E is nil, <c>[]</c>, then Rep(E) = <c>{nil,ANNO}</c>.</p> </item> <item> |