1 files changed, 63 insertions, 0 deletions
diff --git a/lua/mason-core/functional/logic.lua b/lua/mason-core/functional/logic.lua
new file mode 100644
index 00000000..0e0044d5
--- /dev/null
+++ b/lua/mason-core/functional/logic.lua
@@ -0,0 +1,63 @@
+local fun = require "mason-core.functional.function"
+
+local _ = {}
+
+---@generic T
+---@param predicates (fun(item: T): boolean)[]
+---@return fun(item: T): boolean
+_.all_pass = fun.curryN(function(predicates, item)
+    for i = 1, #predicates do
+        if not predicates[i](item) then
+            return false
+        end
+    end
+    return true
+end, 2)
+
+---@generic T
+---@param predicates (fun(item: T): boolean)[]
+---@return fun(item: T): boolean
+_.any_pass = fun.curryN(function(predicates, item)
+    for i = 1, #predicates do
+        if predicates[i](item) then
+            return true
+        end
+    end
+    return false
+end, 2)
+
+---@generic T
+---@param predicate fun(item: T): boolean
+---@param on_true fun(item: T): any
+---@param on_false fun(item: T): any
+---@param value T
+_.if_else = fun.curryN(function(predicate, on_true, on_false, value)
+    if predicate(value) then
+        return on_true(value)
+    else
+        return on_false(value)
+    end
+end, 4)
+
+---@param value boolean
+_.is_not = function(value)
+    return not value
+end
+
+---@generic T
+---@param predicate fun(value: T): boolean
+---@param value T
+_.complement = fun.curryN(function(predicate, value)
+    return not predicate(value)
+end, 2)
+
+_.cond = fun.curryN(function(predicate_transformer_pairs, value)
+    for _, pair in ipairs(predicate_transformer_pairs) do
+        local predicate, transformer = pair[1], pair[2]
+        if predicate(value) then
+            return transformer(value)
+        end
+    end
+end, 2)
+
+return _