add links to documentation for data types

doc/manual/src/language/operators.md

@@ -4,7 +4,7 @@
 
 > *attrset* `.` *attrpath* \[ `or` *value* \]
 
-Select the attribute denoted by attribute path *attrpath* from attribute set *attrset*.
+Select the attribute denoted by attribute path *attrpath* from [attribute set] *attrset*.
 An attribute path is a dot-separated list of attribute names.
 If the attribute doesn’t exist, return *value* if provided, otherwise abort evaluation.
 
@@ -16,7 +16,7 @@ Precedence: 1
 
 > *f* *a*
 
-Call function *f* with argument *a*.
+Call [function] *f* with argument *a*.
 
 Associativity: left
 
@@ -26,7 +26,7 @@ Precedence: 2
 
 > `-` *n*
 
-Flip the sign of the number *n*.
+Flip the sign of the [number] *n*.
 
 Associativity: none
 
@@ -36,7 +36,7 @@ Precedence: 3
 
 > *attrset* `?` *attrpath*
 
-Test whether attribute set *attrset* contains the attribute denoted by *attrpath*; return `true` or `false`.
+Test whether [attribute set] *attrset* contains the attribute denoted by *attrpath*; return `true` or `false`.
 
 Associativity: none
 
@@ -46,7 +46,7 @@ Precedence: 4
 
 > *list1* `++` *list2*
 
-Concatenate lists *list1* and *list2*.
+Concatenate [list]s *list1* and *list2*.
 
 Associativity: right
 
@@ -56,7 +56,7 @@ Precedence: 5
 
 > *n1* `*` *n2*,
 
-Multiply numbers *n1* and *n2*.
+Multiply [number]s *n1* and *n2*.
 
 Associativity: left
 
@@ -66,7 +66,7 @@ Precedence: 6
 
 > *n1* `/` *n2*
 
-Divide numbers *n1* and *n2*.
+Divide [number]s *n1* and *n2*.
 
 Associativity: left
 
@@ -76,7 +76,7 @@ Precedence: 6
 
 > *n1* `-` *n2*
 
-Subtract numbers *n2* from *n1*.
+Subtract [number] *n2* from *n1*.
 
 Associativity: left
 
@@ -86,7 +86,7 @@ Precedence: 7
 
 > *n1* `+` *n2*
 
-Add numbers *n1* and *n2*.
+Add [number]s *n1* and *n2*.
 
 Associativity: left
 
@@ -96,7 +96,7 @@ Precedence: 7
 
 > *string1* `+` *string2*
 
-Concatenate *string1* and *string1* and merge their string contexts.
+Concatenate two [string]s and merge their string contexts.
 
 Associativity: left
 
@@ -106,19 +106,19 @@ Precedence: 7
 
 > *path1* `+` *path2*
 
-Concatenate two paths.
+Concatenate two [path]s.
 The result is a path.
 
 ## Path and string concatenation
 
 > *path* `+` *string*
 
-Concatenate *path* with *string*.
+Concatenate *[path]* with *[string]*.
 The result is a path.
 
 > **Note**
 >
-> The string must not have a string context that refers to a store path.
+> The string must not have a string context that refers to a [store path].
 
 Associativity: left
 
@@ -128,13 +128,13 @@ Precedence: 7
 
 > *string* `+` *path*
 
-Concatenate *string* with *path*.
+Concatenate *[string]* with *[path]*.
 The result is a string.
 
 > **Important**
 >
-> The file or directory at *path* must exist and is copied to the store
-> The path appears in the result as the corresponding store path.
+> The file or directory at *path* must exist and is copied to the [store].
+> The path appears in the result as the corresponding [store path].
 
 Associativity: left
 
@@ -144,7 +144,7 @@ Precedence: 7
 
 > `!` *b*
 
-Negate the Boolean value *b*.
+Negate the [Boolean] value *b*.
 
 Associativity: none
 
@@ -154,7 +154,7 @@ Precedence: 8
 
 > *attrset1* `//` *attrset1*
 
-Update attribute set *attrset1* with names and values from *attrset2*.
+Update [attribute set] *attrset1* with names and values from *attrset2*.
 
 The returned attribute set will have of all the attributes in *e1* and *e2*.
 If an attribute name is present in both, the attribute value from the former is taken.
@@ -165,9 +165,9 @@ Precedence: 9
 
 ## Comparison
 
-- Arithmetic comparison for numbers
-- Lexicographic comparison for strings and paths
-- Lexicographic comparison for lists:
+- Arithmetic comparison for [number]s
+- Lexicographic comparison for [string]s and [path]s
+- Lexicographic comparison for [list]s:
   Elements at the same index in both lists are compared according to their type and skipped if they are equal.
 
 Associativity: none
@@ -196,8 +196,8 @@ Precedence: 10
 
 Check expressions *e1* and *e2* for value equality.
 
-- Attribute sets and lists are compared recursively, and therefore are fully evaluated.
-- Comparison of functions always returns `false`.
+- [Attribute sets][attribute set] and [list]s are compared recursively, and therefore are fully evaluated.
+- Comparison of [function]s always returns `false`.
 - Integers are coerced to floating point numbers if compared to floating point numbers.
 - Floating point numbers only differ up to a limited precision.
 
@@ -246,3 +246,13 @@ Equivalent to `!`*b1* `||` *b2*.
 Associativity: none
 
 Precedence: 14
+
+[string]: ./values.md#type-string
+[path]: ./values.md#type-path
+[number]: ./values.md#type-number
+[Boolean]: ./values.md#type-boolean
+[list]: ./values.md#list
+[attribute set]: ./values.md#attribute-set
+[function]: ./constructs.md#functions
+[store path]: ../glossary.md#gloss-store-path
+[store]: ../glossary.md#gloss-store