Fix tryCatch definition.

types/ramda/index.d.ts

@@ -1,6 +1,6 @@
 // Type definitions for ramda
 // Project: https://github.com/donnut/typescript-ramda
-// Definitions by: Erwin Poeze <https://github.com/donnut>, Matt DeKrey <https://github.com/mdekrey>, Liam Goodacre <https://github.com/LiamGoodacre>
+// Definitions by: Erwin Poeze <https://github.com/donnut>, Matt DeKrey <https://github.com/mdekrey>, Liam Goodacre <https://github.com/LiamGoodacre>, Matt Dziuban <https://github.com/mrdziuban>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.2
 
@@ -1598,7 +1598,7 @@ declare namespace R {
          * function and returns its result. Note that for effective composition with this function, both the tryer and
          * catcher functions must return the same type of results.
          */
-        tryCatch<T>(tryer: (...args: any[]) => T, catcher: (...args: any[]) => T, x: any): T;
+        tryCatch<T>(tryer: (...args: any[]) => T, catcher: (...args: any[]) => T): (...args: any[]) => T;
 
         /**
          * Gives a single-word string description of the (native) type of a value, returning such answers as 'Object',

types/ramda/ramda-tests.ts

@@ -972,8 +972,9 @@ type Pair = KeyValuePair<string, number>
 
 () => {
     const x = R.prop('x');
-    const a: boolean = R.tryCatch<boolean>(R.prop('x'), R.F, {x: true}); //=> true
-    const b: boolean = R.tryCatch<boolean>(R.prop('x'), R.F, null);      //=> false
+    const a: boolean = R.tryCatch<boolean>(R.prop('x'), R.F)({x: true}); //=> true
+    const b: boolean = R.tryCatch<boolean>(R.prop('x'), R.F)(null);      //=> false
+    const c: boolean = R.tryCatch<boolean>(R.and, R.F)(true, true);      //=> true
 }
 
 () => {