#2132 - Replace all uses of foo_callback with foo

ale_linters/vhdl/ghdl.vim

@@ -31,7 +31,7 @@ endfunction
 call ale#linter#Define('vhdl', {
 \   'name': 'ghdl',
 \   'output_stream': 'stderr',
-\   'executable_callback': ale#VarFunc('vhdl_ghdl_executable'),
-\   'command_callback': 'ale_linters#vhdl#ghdl#GetCommand',
+\   'executable': {b -> ale#Var(b, 'vhdl_ghdl_executable')},
+\   'command': function('ale_linters#vhdl#ghdl#GetCommand'),
 \   'callback': 'ale_linters#vhdl#ghdl#Handle',
 \})

ale_linters/vhdl/vcom.vim

@@ -32,7 +32,7 @@ endfunction
 call ale#linter#Define('vhdl', {
 \   'name': 'vcom',
 \   'output_stream': 'stdout',
-\   'executable_callback': ale#VarFunc('vhdl_vcom_executable'),
-\   'command_callback': 'ale_linters#vhdl#vcom#GetCommand',
+\   'executable': {b -> ale#Var(b, 'vhdl_vcom_executable')},
+\   'command': function('ale_linters#vhdl#vcom#GetCommand'),
 \   'callback': 'ale_linters#vhdl#vcom#Handle',
 \})

ale_linters/vhdl/xvhdl.vim

@@ -31,7 +31,7 @@ endfunction
 call ale#linter#Define('vhdl', {
 \   'name': 'xvhdl',
 \   'output_stream': 'stdout',
-\   'executable_callback': ale#VarFunc('vhdl_xvhdl_executable'),
-\   'command_callback': 'ale_linters#vhdl#xvhdl#GetCommand',
+\   'executable': {b -> ale#Var(b, 'vhdl_xvhdl_executable')},
+\   'command': function('ale_linters#vhdl#xvhdl#GetCommand'),
 \   'callback': 'ale_linters#vhdl#xvhdl#Handle',
 \})