hmapnew .s // (null)

// Get from empty hmap
dup 10 swap hmap@ null? not abort"expected null"
dup "abc" swap hmap@ null? not abort"expected null"
dup 10 swap hmap@? abort"expected 0"
dup "abc" swap hmap@? abort"expected 0"
dup hmapempty? not abort"expected -1"
.s cr // (null)

// Insert values
"value-1" 123 rot hmap!+
"value-2" "Abc" rot hmap!+
"value-3" "xyz" rot hmap!+
"value-4" B{78797A} rot hmap!+
"value-5" `xyz rot hmap!+
"abcdefg" null rot hmap!+ // No effect!
dup hmapempty? abort"expected 0"

// Get values
dup 123       swap hmap@ type cr // value-1
dup "Abc"     swap hmap@ type cr // value-2
dup "xyz"     swap hmap@ type cr // value-3
dup B{78797A} swap hmap@ type cr // value-4
dup `xyz      swap hmap@ type cr // value-5
dup 123       swap hmap@? . type cr // -1 value-1
dup "Abc"     swap hmap@? . type cr // -1 value-2
dup "xyz"     swap hmap@? . type cr // -1 value-3
dup B{78797A} swap hmap@? . type cr // -1 value-4
dup `xyz      swap hmap@? . type cr // -1 value-5
// Get null
dup 1234 swap hmap@ null? not abort"expected null"
dup null swap hmap@ null? not abort"expected null"
dup 1234 swap hmap@? abort"expected 0"
dup null swap hmap@? abort"expected 0"
cr

// hmapforeach
constant hmap
hmap { .s drop drop -1 } hmapforeach
.s drop
3 hmap { .s drop drop 1- dup } hmapforeach
.s cr drop drop hmap

// hmap! (insert) and hmap!+ (replace)
"value-11" 123 rot hmap!+
"value-66" 567 rot hmap!+
"value-33" "xyz" rot hmap!
"value-77" "qwe" rot hmap! // No effect!
dup 123   swap hmap@ type cr // value-11
dup 567   swap hmap@ type cr // value-66
dup "xyz" swap hmap@ type cr // value-33
dup "qwe" swap hmap@ null? not abort"null expected"
cr

// Delete
567 swap hmap-
789 swap hmap-
"qwe" swap hmap-? . // -1
"rty" swap hmap-? . // 0
`xyz swap hmap@- type // value-5
`zyx swap hmap@- null? not abort"null expected"
null 123 rot hmap! // same as hmap-
null 321 rot hmap!
null `xyz rot hmap!+
cr
constant hmap
hmap { .s drop drop -1 } hmapforeach
drop