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|
-- In module root scope the anonymous functions won't be moved to up-values because they just run once.
-- 1. if expr
func if cond
998
else
"abc"
-- 2. nil coalesed expr
func valueA + valueB ?? 123
-- 3. vararg passing
do
ok, ... = func 1, 2, 3
print select 3, ...
-- 4. chain with existential operator
if tb?.abc?\call? 123
print "OK"
-- 5. colon chain with metamethod accessing with string or expr
func(
tb\<"fn"> 123
tb\<[1 + 1]> "abc"
)
-- 6. colon chain with Lua keyword or unicode name
func tb\end()\🤣 123
-- 7. in expr with short check
itemA = 1
listA = []
if itemA in listA
print "itemA in listA"
-- 8. in expr without short check
if itemB? and itemB in listB
print "itemB in listB"
-- 9. spread table
func [...listA, ...listB]
-- 10. comprehension
func [i for i = 1, 10], [k for k in pairs tb]
-- 11. for expr
func for i = 1, 10
i + 1
-- 12. for each expr
func for k, v in pairs tb
[k, v]
-- 13. class declaration expr
func class
new: => @value = 1
-- 14. with expr
func with tb
.field = 1
\func "a"
-- 15. table comprehension expr
func {"#{k}-post-fix", v * 2 for k, v in pairs tb}
-- 16. do expr
func do
print 123
"abc"
-- 17. try expr with block codes
do
success, ... = try
a = 1
print a + nil
1, 2, 3
print select '#', ... if success
-- 18. while expr
i = 1
func while cond
i += 1
i
-- 19. switch expr
func switch value
when 1
'a'
when 2
'b'
GameEngine\onUpdate (deltaTime) ->
-- 1. if expr
func if cond
998
else
"abc"
-- 2. nil coalesed expr
func valueA + valueB ?? 123
-- 3. vararg passing
do
ok, ... = func 1, 2, 3
print select 3, ...
-- 4. chain with existential operator
if tb?.abc?\call? 123
print "OK"
-- 5. colon chain with metamethod accessing with string or expr
func(
tb\<"fn"> 123
tb\<[1 + 1]> "abc"
)
-- 6. colon chain with Lua keyword or unicode name
func tb\end()\🤣 123
-- 7. in expr with short check
itemA = 1
listA = []
if itemA in listA
print "item in list"
-- 8. in expr without short check
if itemB? and itemB in listB
print "item in list"
-- 9. spread table
func [...listA, ...listB]
-- 10. comprehension
func [i for i = 1, 10], [k for k in pairs tb]
-- 11. for expr
func for i = 1, 10
i + 1
-- 12. for each expr
func for k, v in pairs tb
[k, v]
-- 13. class declaration expr
func class
new: => @value = 1
-- 14. with expr
func with tb
.field = 1
\func "a"
-- 15. table comprehension expr
func {"#{k}-post-fix", v * 2 for k, v in pairs tb}
-- 16. do expr
func do
print 123
"abc"
-- 17. try expr with block codes
do
success, ... = try
a = 1
print a + nil
1, 2, 3
print select '#', ... if success
-- 18. while expr
i = 1
func while cond
i += 1
i
-- 19. switch expr
func switch value
when 1
'a'
when 2
'b'
GameEngine\onEvent "SomeEvent", ->
func value + (if cond
998
else
"abc") + (valueB ?? 123) > tb?.abc?\call?(123) + tb\end()\🤣 123 and
itemA in listA
GameEngine\schedule (deltaTime) ->
value = 123
func if value > 200
UpdateScoreText "Win: #{value}"
"done"
else
UpdateScoreText "Score: #{value}"
"continue"
GameEngine\schedule (deltaTime) -> -- closure 1
value = 123
func if value > 200
UpdateScoreText "Win: #{value}"
"done"
else
GameEngine\schedule (deltaTime) -> -- closure 2
UpdateScoreText "Score: #{value}" -- value is captured by closure 2
"continue"
-- test cases from issue
do
buff_strength = (char, item) ->
item.buffer.strength? char.stats.strength?::ref!
local debug_env_before, debug_env_after
exe_func = (func, env) ->
ok, ... = try
debug_env_before env
func env
debug_env_after env
catch ex
-- accessing ex and error
error ex
-- implicit return
ex
if ok
return ...
else
os.exit 1
|
