feat(modules): migrate to go modules and bump go version 1.14.4

- migrate to go module
- bump go version 1.14.4

Signed-off-by: prateekpandey14 <prateek.pandey@mayadata.io>

vendor/gonum.org/v1/gonum/graph/internal/set/doc.go

@@ -0,0 +1,6 @@
+// Copyright ©2017 The Gonum Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package set provides integer and graph.Node sets.
+package set // import "gonum.org/v1/gonum/graph/internal/set"

vendor/gonum.org/v1/gonum/graph/internal/set/same.go

@@ -0,0 +1,36 @@
+// Copyright ©2014 The Gonum Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build !appengine,!safe
+
+package set
+
+import "unsafe"
+
+// same determines whether two sets are backed by the same store. In the
+// current implementation using hash maps it makes use of the fact that
+// hash maps are passed as a pointer to a runtime Hmap struct. A map is
+// not seen by the runtime as a pointer though, so we use unsafe to get
+// the maps' pointer values to compare.
+func same(a, b Nodes) bool {
+	return *(*uintptr)(unsafe.Pointer(&a)) == *(*uintptr)(unsafe.Pointer(&b))
+}
+
+// intsSame determines whether two sets are backed by the same store. In the
+// current implementation using hash maps it makes use of the fact that
+// hash maps are passed as a pointer to a runtime Hmap struct. A map is
+// not seen by the runtime as a pointer though, so we use unsafe to get
+// the maps' pointer values to compare.
+func intsSame(a, b Ints) bool {
+	return *(*uintptr)(unsafe.Pointer(&a)) == *(*uintptr)(unsafe.Pointer(&b))
+}
+
+// int64sSame determines whether two sets are backed by the same store. In the
+// current implementation using hash maps it makes use of the fact that
+// hash maps are passed as a pointer to a runtime Hmap struct. A map is
+// not seen by the runtime as a pointer though, so we use unsafe to get
+// the maps' pointer values to compare.
+func int64sSame(a, b Int64s) bool {
+	return *(*uintptr)(unsafe.Pointer(&a)) == *(*uintptr)(unsafe.Pointer(&b))
+}

vendor/gonum.org/v1/gonum/graph/internal/set/same_appengine.go

@@ -0,0 +1,36 @@
+// Copyright ©2014 The Gonum Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build appengine safe
+
+package set
+
+import "reflect"
+
+// same determines whether two sets are backed by the same store. In the
+// current implementation using hash maps it makes use of the fact that
+// hash maps are passed as a pointer to a runtime Hmap struct. A map is
+// not seen by the runtime as a pointer though, so we use reflect to get
+// the maps' pointer values to compare.
+func same(a, b Nodes) bool {
+	return reflect.ValueOf(a).Pointer() == reflect.ValueOf(b).Pointer()
+}
+
+// intsSame determines whether two sets are backed by the same store. In the
+// current implementation using hash maps it makes use of the fact that
+// hash maps are passed as a pointer to a runtime Hmap struct. A map is
+// not seen by the runtime as a pointer though, so we use reflect to get
+// the maps' pointer values to compare.
+func intsSame(a, b Ints) bool {
+	return reflect.ValueOf(a).Pointer() == reflect.ValueOf(b).Pointer()
+}
+
+// int64sSame determines whether two sets are backed by the same store. In the
+// current implementation using hash maps it makes use of the fact that
+// hash maps are passed as a pointer to a runtime Hmap struct. A map is
+// not seen by the runtime as a pointer though, so we use reflect to get
+// the maps' pointer values to compare.
+func int64sSame(a, b Int64s) bool {
+	return reflect.ValueOf(a).Pointer() == reflect.ValueOf(b).Pointer()
+}

vendor/gonum.org/v1/gonum/graph/internal/set/set.go

@@ -0,0 +1,228 @@
+// Copyright ©2014 The Gonum Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package set
+
+import "gonum.org/v1/gonum/graph"
+
+// Ints is a set of int identifiers.
+type Ints map[int]struct{}
+
+// The simple accessor methods for Ints are provided to allow ease of
+// implementation change should the need arise.
+
+// Add inserts an element into the set.
+func (s Ints) Add(e int) {
+	s[e] = struct{}{}
+}
+
+// Has reports the existence of the element in the set.
+func (s Ints) Has(e int) bool {
+	_, ok := s[e]
+	return ok
+}
+
+// Remove deletes the specified element from the set.
+func (s Ints) Remove(e int) {
+	delete(s, e)
+}
+
+// Count reports the number of elements stored in the set.
+func (s Ints) Count() int {
+	return len(s)
+}
+
+// IntsEqual reports set equality between the parameters. Sets are equal if
+// and only if they have the same elements.
+func IntsEqual(a, b Ints) bool {
+	if intsSame(a, b) {
+		return true
+	}
+
+	if len(a) != len(b) {
+		return false
+	}
+
+	for e := range a {
+		if _, ok := b[e]; !ok {
+			return false
+		}
+	}
+
+	return true
+}
+
+// Int64s is a set of int64 identifiers.
+type Int64s map[int64]struct{}
+
+// The simple accessor methods for Ints are provided to allow ease of
+// implementation change should the need arise.
+
+// Add inserts an element into the set.
+func (s Int64s) Add(e int64) {
+	s[e] = struct{}{}
+}
+
+// Has reports the existence of the element in the set.
+func (s Int64s) Has(e int64) bool {
+	_, ok := s[e]
+	return ok
+}
+
+// Remove deletes the specified element from the set.
+func (s Int64s) Remove(e int64) {
+	delete(s, e)
+}
+
+// Count reports the number of elements stored in the set.
+func (s Int64s) Count() int {
+	return len(s)
+}
+
+// Int64sEqual reports set equality between the parameters. Sets are equal if
+// and only if they have the same elements.
+func Int64sEqual(a, b Int64s) bool {
+	if int64sSame(a, b) {
+		return true
+	}
+
+	if len(a) != len(b) {
+		return false
+	}
+
+	for e := range a {
+		if _, ok := b[e]; !ok {
+			return false
+		}
+	}
+
+	return true
+}
+
+// Nodes is a set of nodes keyed in their integer identifiers.
+type Nodes map[int64]graph.Node
+
+// NewNodes returns a new Nodes.
+func NewNodes() Nodes {
+	return make(Nodes)
+}
+
+// NewNodes returns a new Nodes with the given size hint, n.
+func NewNodesSize(n int) Nodes {
+	return make(Nodes, n)
+}
+
+// The simple accessor methods for Nodes are provided to allow ease of
+// implementation change should the need arise.
+
+// Add inserts an element into the set.
+func (s Nodes) Add(n graph.Node) {
+	s[n.ID()] = n
+}
+
+// Remove deletes the specified element from the set.
+func (s Nodes) Remove(e graph.Node) {
+	delete(s, e.ID())
+}
+
+// Count returns the number of element in the set.
+func (s Nodes) Count() int {
+	return len(s)
+}
+
+// Has reports the existence of the elements in the set.
+func (s Nodes) Has(n graph.Node) bool {
+	_, ok := s[n.ID()]
+	return ok
+}
+
+// CloneNodes returns a clone of src.
+func CloneNodes(src Nodes) Nodes {
+	dst := make(Nodes, len(src))
+	for e, n := range src {
+		dst[e] = n
+	}
+	return dst
+}
+
+// Equal reports set equality between the parameters. Sets are equal if
+// and only if they have the same elements.
+func Equal(a, b Nodes) bool {
+	if same(a, b) {
+		return true
+	}
+
+	if len(a) != len(b) {
+		return false
+	}
+
+	for e := range a {
+		if _, ok := b[e]; !ok {
+			return false
+		}
+	}
+
+	return true
+}
+
+// UnionOfNodes returns the union of a and b.
+//
+// The union of two sets, a and b, is the set containing all the
+// elements of each, for instance:
+//
+//     {a,b,c} UNION {d,e,f} = {a,b,c,d,e,f}
+//
+// Since sets may not have repetition, unions of two sets that overlap
+// do not contain repeat elements, that is:
+//
+//     {a,b,c} UNION {b,c,d} = {a,b,c,d}
+//
+func UnionOfNodes(a, b Nodes) Nodes {
+	if same(a, b) {
+		return CloneNodes(a)
+	}
+
+	dst := make(Nodes)
+	for e, n := range a {
+		dst[e] = n
+	}
+	for e, n := range b {
+		dst[e] = n
+	}
+
+	return dst
+}
+
+// IntersectionOfNodes returns the intersection of a and b.
+//
+// The intersection of two sets, a and b, is the set containing all
+// the elements shared between the two sets, for instance:
+//
+//     {a,b,c} INTERSECT {b,c,d} = {b,c}
+//
+// The intersection between a set and itself is itself, and thus
+// effectively a copy operation:
+//
+//     {a,b,c} INTERSECT {a,b,c} = {a,b,c}
+//
+// The intersection between two sets that share no elements is the empty
+// set:
+//
+//     {a,b,c} INTERSECT {d,e,f} = {}
+//
+func IntersectionOfNodes(a, b Nodes) Nodes {
+	if same(a, b) {
+		return CloneNodes(a)
+	}
+	dst := make(Nodes)
+	if len(a) > len(b) {
+		a, b = b, a
+	}
+	for e, n := range a {
+		if _, ok := b[e]; ok {
+			dst[e] = n
+		}
+	}
+	return dst
+}